bluuebunny/crossref_metadata_2025 huggingface dataset:
The Effect of Creative Problem Solving Learning Model Assisted by Google Sites on Creative Thinking Ability in Geography Learning
Authors: Cisnaulin Dewa Putra , Ghosh Mahmoud M. Abu , Putra Alfyananda Kurnia
Published: February 2025

The challenges of geography learning in the 21st century are increasingly complex, especially in developing students' creative thinking skills to face the dynamics of globalization and rapid environmental changes. The Creative Problem Solving (CPS) model is able to be an effective solution to encourage students to think innovatively and creatively in solving geography problems. The purpose of this study is to find out how the use of the Creative Problem-Solving model supported by Google Sites affects students' ability to think creatively on disaster mitigation materials. Quasi-experiment is applied as a method with a type of nonequivalent control group design. This study involved two groups of students from XI Social Science MAN Batu City. 36 students from class XI Social Science 1 were used for the experimental class and 36 students from XI Social Science 4 were used as group classes. Using 9 essay questions as a post-test test. The results of the study explained that creative t hinking skills in disaster mitigation materials are significantly influenced by the Creative Problem-Solving model assisted by Google Sites, especially on fluency and originality, thereby improving students' ability to analyze, plan, and implement effective solutions to a disaster.
The Impact of Management Information Systems on Decision-Making Efficiency
Authors: Hamdat Aminuddin , B Ceskakusumadewi , Samalam Abdul Gafar , Rizal Muhammad , Lawalata Izaac L.D
Published: February 2025

This study investigates the impact of Management Information Systems (MIS) on organizational decision-making efficiency. It aims to explore how MIS enhances decision-making processes by providing real-time data and comprehensive analytics, aligning with organizational goals, and leveraging advanced technologies like AI and cloud computing. The research employs a mixed-method approach, combining qualitative and quantitative data. Surveys were conducted among senior managers and IT professionals across various sectors to gather insights into MIS's practical applications and challenges. Additionally, a review of theoretical frameworks, such as the Technology Acceptance Model (TAM) and the Resource-Based View (RBV), was undertaken to contextualize the empirical findings. The findings reveal that MIS significantly enhances decision-making efficiency by providing timely and relevant information. Real-time data capabilities and advanced analytics enable managers to make informed decisions quickly, improving organizational agility and responsiveness. Empirical evidence suggests that organizations with integrated and strategically aligned MIS report higher decision accuracy and speed. However, the effectiveness of MIS is contingent on contextual factors like organizational culture and user proficiency. Integrating AI-driven analytics and cloud computing further amplifies MIS capabilities, though continuous technological updates are necessary to maintain system relevance and effectiveness. The study underscores the critical role of MIS in modern business environments, emphasizing the need for strategic alignment and integration with organizational goals. Organizations should invest in advanced MIS technologies, comprehensive training programs, and robust data governance practices for optimal outcomes. These investments are crucial for leveraging MIS to enhance decision-making efficiency, fostering more agile and competitive organizations.
Projeto, confecção e utilização de garateias adaptadas em operações de ancoragem
Authors: Silva Leiz Nunes Pereira da , Pons Rodrigo Alves , Oliveira Eleandro Meira de
Published: February 2025

The mooring departament has the Grapnel in its list of equipment, which is probably the most iconic and representative equipment for mooring and anchor handling activities. This article presents the application of two innovative tools based on modified Grapnels of 400t SWL, one developed for cutting polyester ropes and the other for lifting mooring lines in restricted areas. The modfied Grapnel cutting tool, has a robust design and the use of resistant blades on each of its 4 legs, which allow cuts to be made in tensioned polyester cables. Its simplicity of operation and mobility make it ideal for use in access restricted areas, where operations with ROVs would become unsafe or impracticable, providing greater versatility and saving resources. The second modified Grapnel arises from the need to carry out maintenance interventions in extremely congested areas, where the application of the conventional Grapnel fishing method proved unsafe or even impossible, and the alternative fishing solutions with wire ropes and hooks brings the risk of rupture of the arrangements. These are already consolidated equipment, applied in most Petrobras' Anchoring operations, and are innovations so effective that other applications have emerged, allowing, in addition to the initially designed tasks, the replacement of other equipment in a range of operations with increased efficiency and safety.
Paulinian Remote Flexible Learning Experience (ReFLEx): Perceptions among Junior High School Students
Authors: Arpilleda Alcher J.
Published: February 2025

The COVID-19 pandemic necessitated a rapid shift to remote learning, posing unprecedented challenges for educational institutions worldwide. This study investigates the Paulinian Remote Flexible Learning Experience (ReFLEx) at St. Paul University Surigao, a program distinguished by its adaptive combination of synchronous and asynchronous learning, designed to maintain educational continuity and enhance student engagement. Employing an embedded mixed-methods approach, the research prioritizes quantitative data from 116 Grade 9 students while integrating qualitative insights from interviews with 10 purposefully selected informants. Findings indicate an overall very satisfactory assessment of ReFLEx, with teacher competence emerging as a particularly strong point (M=3.58, SD=0.56). However, the study reveals a statistically significant difference in ReFLEx assessment based on the respondent’s sex (z=-2.329, p = .020), suggesting nuanced gender-related experiences within the program. These results underscore the critical role of teacher training and sensitivity in blended learning environments and highlight the importance of considering demographic factors in program design. Practically, the study suggests targeted interventions to address disparities in student experiences and further enhance teacher support. Theoretically, it contributes to the growing body of knowledge on remote learning effectiveness, offering insights into the design and implementation of flexible educational models. The findings inform future planning and program development, supporting the refinement of ReFLEx and similar initiatives to optimize student learning outcomes in evolving educational landscapes.
Paris, carrefour culturel autour de 1500
Authors: Millet Olivier , Sanchi Luigi-Alberto
Published: February 2025

Au temps des guerres d’Italie, Paris fait figure de creuset européen des courants humanistes, comme en témoigne la présence précoce d’Érasme. Qu’ils soient diplomates ou professeurs, imprimeurs ou mécènes, Grecs, Italiens, Flamands, Français ou Espagnols convergent autour de la Sorbonne et des collèges parisiens, mais aussi de la cour. Dans ce contexte international, la capitale du royaume assume un grand rôle intellectuel et littéraire et voit éclore les germes d’une nouvelle culture, grâce à ses élites et à l’apport des nombreux étrangers qui s’y installent ou y séjournent.

Paris forme ainsi l’unité de lieu dont les chapitres de ce volume éclairent les diverses facettes : du rôle de l’Université à celui des réseaux d’amitié liant les différents courants, de l’apport des copistes grecs à celui des imprimeurs humanistes, de la production littéraire en latin à celle en français, du débat autour de la langue hébraïque aux premiers ferments de la Réforme luthérienne. Autant de témoignages essentiels pour saisir la richesse des pistes qui se croisent dans ce carrefour culturel depuis l’automne du Moyen Âge jusqu’à la fondation du Collège de France en 1530.
Empirical Analysis of Stock Market Efficiency on Gross Domestic Product (GDP) in Nigeria
Authors: Ajayi John Ayodele , Abolaji Daniel Anifowose , Adetunji Robert
Published: February 2025

This study examines the effect of dividend policy measured by dividend payout ratio and dividend yield on firms’ earnings measured by earnings per share in Nigeria. Dividend policy is a critical financial decision influencing firms’ performance, yet there remains considerable debate regarding its impact on corporate earnings. This research specifically focuses on 40 listed firms in Nigeria across various sectors from the financial years 2018 to 2021, resulting in 160 firm-year observations. The study employs Panel Estimated Generalized Least Squares with cross-section random effects to analyze the relationship between dividend policy and firm earnings. Findings reveal a weak negative relationship between dividend distributions and firms' earnings, with share prices experiencing a downward trend following negative dividend announcements. Additionally, the study finds that dividend yield has an insignificant effect on firms’ earnings, suggesting that share price movements in the Nigerian stock market are not strongly tied to dividend policy decisions. However, a strong positive relationship exists between earnings per share and firms' earnings, as share prices tend to rise following positive dividend announcements. Based on these findings, the study recommends that firms maintain a stable and consistent dividend payout policy to enhance investor confidence and stock market performance. Since dividend announcements influence share price movements, listed companies should strategically manage their dividend policies to maximize shareholder value and sustain high share prices on the Nigerian Exchange Group.
Determinants of African States Arms Procurement Preferences, from Strategic to Commercial Imperative
Authors: Munyi Elijah N.
Published: February 2025

What drives the arms procurement practices of African states? Why are African states shifting their military procurement from traditional suppliers (the West and Russia) in preference for Chinese arms? This paper sought to use the case of Uganda and Kenya to find out and examine if the growing preference for Chinese arms is driven by primarily commercial motives or by higher-order strategic objectives of counterbalancing the West’s military influence. The research finds that, although countries view US military hardware as the gold standard in quality, the higher cost of comparable US hardware and the protracted or intrusive US oversight processes make Chinese arms more attractive. In addition, diversification of military suppliers is seen as strategically important to avoid dependency. The paper thus highlights the growing commercial imperative in military procurement and argues that this commercial bent favors China with longer term strategic implications for great power competition in Africa.
Modelo de Aprendizaje Socio-Metacognitivo-Tecnológico y Ético: Un nuevo enfoque educativo
Authors: Mogollón Sandoval Oscar Jorge , Pimentel Roque Víctor Manuel , Campos Fernández Sylvia Paola
Published: February 2025

En un contexto de transformación continua en la educación, impulsado por los avances tecnológicos y la creciente complejidad de los desafíos globales, se demanda una perspectiva que integre la metacognición, la colaboración social y el uso ético de la inteligencia artificial generativa. La educación tradicional ha puesto gran énfasis en la difusión del conocimiento. Sin embargo, hoy es más importante cultivar en los estudiantes la capacidad de reflexionar sobre su proceso de aprendizaje, optimizar el uso de las herramientas tecnológicas y tomar decisiones responsables en entornos fluctuantes. En este sentido, lo que aquí proponemos es el enfoque educativo denominado Aprendizaje Socio-Metacognitivo-Tecnológico y Ético como una forma de asegurar un adecuado balance entre las habilidades cognitivas y socioemocionales con las potencialidades de la IA para asegurar un aprendizaje significativo, adaptable y bien alineado con los principios éticos fundamentales.Objetivo: El presente estudio propone el Modelo de Aprendizaje Socio-Metacognitivo-Tecnológico y Ético, un enfoque educativo innovador que integra la metacognición, la colaboración social, la inteligencia artificial generativa (IA) y la ética como eje transversal. Su propósito es formar líderes con pensamiento crítico, resiliencia y responsabilidad ética, preparados para enfrentar los desafíos de un mundo globalizado y tecnológicamente avanzado. Metodología: Se realizó una revisión teórica y conceptual basada en fuentes académicas especializadas en pedagogía, inteligencia artificial y ética aplicada a la educación. El enfoque se estructuró jerárquicamente en fines (formación de líderes), formas (estrategias pedagógicas) y medios (herramientas tecnológicas y metodológicas), con especial énfasis en su aplicabilidad en la educación básica. Resultados: El análisis demuestra que la integración de la IA generativa facilita la personalización del aprendizaje y optimiza el tiempo de docentes y estudiantes, mientras que la ética transversal garantiza un uso responsable de la tecnología. Además, el modelo promueve la metacognición como pilar clave para el desarrollo de la autonomía y la capacidad de "aprender a aprender". Su diseño escalable y adaptable lo hace aplicable en diferentes contextos educativos, reduciendo brechas de acceso al conocimiento. Conclusiones: El modelo propuesto representa una alternativa innovadora frente a los enfoques educativos tradicionales al equilibrar el uso de la tecnología con el desarrollo de habilidades humanas esenciales. La ética transversal es un elemento diferenciador clave, asegurando que la IA y otros avances tecnológicos se utilicen para potenciar el aprendizaje sin comprometer valores fundamentales. Su implementación en la educación básica permite sentar las bases para la formación de ciudadanos críticos, colaborativos y éticamente responsables en la sociedad del siglo XXI.
ה ערבית פלסטינית בעידן נתניהו: השוואה ועימות בין הפוליטיקה של עודה לפוליטיקה של עבאס
Authors: פאח'ורי אמיר
Published: February 2025

מסה זו עוסקת בתמורות מרחיקות הלכת בפוליטיקה הפרלמנטרית הפלסטינית הפנים-ישראלית בשנה האחרונה. התפצלותה של רע״ם מן המפלגה המשותפת, כניסתה לכנסת ה-24 והמגעים הקואליציוניים הנרחבים שקיימה, עד כדי תמיכתה בממשלה החדשה – כל אלה הם ביטויים לשינויי עומק בחברה הפלסטינית בישראל ובזיקתה למדינה היהודית (והדמוקרטית). פאח'ורי מציב את המהלך של מנצור עבאס מול המהלך של איימן עודה, על המשותף והמבדיל ביניהם. שניהם מבקשים לקדם פוליטיקה של השפעה – השפעה פלסטינית על המשטר הישראלי ובתוכו. אולם בעוד עבאס נכנס אל הפוליטיקה הישראלית מבעד להתפרקותה לקבוצות ולשבטים, עודה מבקש להרחיב את הגדרת האזרחות הישראלית כך שתכלול גם את האזרחים הפלסטינים. המסה נכתבה רגע לפני אירועי מאי 2021, אולם סביר שפוליטיקת ההשפעה הפלסטינית, שנתנה את אותותיה על הפוליטיקה הישראלית, יצרה אפקט-נגד לאומני גזעני שהיה אחד הגורמים להתלקחות האלימה של מאי.
מהפיגומים בנצרת לאקדמיה במקסיקו: אנריקה דוסל והפילוסופיה של השחרור
Authors: דוידי אפרים
Published: February 2025

הפילוסוף הלטינו-אמריקני הוותיק והנודע אנריקה דוסל הוא אבי הפילוסופיה של השחרור. לפי דוסל, הפילוסופיה של השחרור היא "פילוסופיה אשר תדע להגות את המציאות הזאת, את המציאות העולמית העכשווית, שלא מנקודת המבט של המרכז, של הכוח הפוליטי, הכלכלי או הצבאי, אלא ממה שמעבר לגבולו של העולם המרכזי העכשווי, מן הפריפריה". דוסל, יליד ארגנטינה ותושב מקסיקו, נמנה עם קבוצה לא קטנה של חוקרים, מהפכנים ואנשי רוח שצמחו באמריקה הלטינית במהלך המאה העשרים, בייחוד במחציתה השנייה, ואשר הציעו חלופות מן הדרום למחשבה ההגמונית האחידה של הצפון. עם קבוצה זו נמנים בין היתר המחנך הברזילאי פאולו פריירה, ההוגה המרקסיסטי הפרואני חוסה מריאטגי, המהפכן הארגנטיני-קובני ארנסטו "צ'ה" גווארה, הכומר הפרואני גוסטבו גוטיירס, הכומר ולוחם הגרילה הקולומביאני קמילו טורס והכלכלן הברזילאי טאוטוניו דוס סנטוס.

דוסל, חרף גילו, מוסיף ללמד, לכתוב ולפרסם. עד עתה פרסם קרוב לחמישים ספרים ויותר מ-400 מאמרים בתחומים רבים – פילוסופיה, מדע המדינה, תיאולוגיה, היסטוריה ועוד. רבות מתובנותיו נותרו תקפות למדי אף שהן בנות חצי מאה ויותר, ובהן עמדותיו הנוגעות לאמריקה הלטינית, טענותיו בדבר מקומן של הפריפריות במערכת הקפיטליסטית העולמית, הביקורת שלו על הפילוסופיה המערבית, והעדכונים בהגותו בעשור האחרון בשאלות של סביבה וקיימות.
Machiavel et Aristote : continuité ou rupture ?
Authors:   Université de Bouaké (Côte d’Ivoire), N’DRI Diby Cyrille
Published: February 2025

Dans sa tentative de résoudre les problèmes politiques de son époque, Machiavel s'est inspiré de l'expérience d'Aristote. Ainsi, une analyse minutieuse révèle qu'au cœur du champ machiavélien de la politique, se trouve l'aristotélisme dont il tire sa source. Il existe, à l’évidence, une continuité entre ces deux penseurs qui ont rejeté les considérations imaginatives de leurs prédécesseurs dans l'élaboration de leur pensée politique. Cependant, par delà cette position de principe, il est incontestable de noter une rupture entre eux. En effet, des données irréfutables attestent de la démarcation entre Machiavel et Aristote.
Apologie du féminisme et rhétorique machiste du discours christinien
Authors:   Université de Cocody-Abidjan (Côte d’Ivoire), TRAORE François Bruno
Published: February 2025

L’avènement du XVe siècle voit se réduire considérablement l’influence de Rutebeuf, de Guillaume de Machaut et d’Eustache Deschamps, poètes et émérites rhétoriqueurs d’un art de la versification au service de la promotion du masculin – et donc souvent machiste –, au profit d’une excellente poétesse en la personne de Christine de Pisan. Dans une société et un environnement littéraire essentiellement dominés par les valeurs du genre masculin, elle s’investit tout de suite dans un combat sur deux fronts : d’une part, s’affirmer comme poétesse à part entière, femme certes, mais écrivaine talentueuse et, d’autre part, comme première activiste féministe engagée sur le terrain du débat poétique et littéraire médiéval.
Stratégies résidentielles d’une catégorie de citadins du bas de l’échelle de qualification : les personnels domestiques féminins de la ville d’Abidjan
Authors:   École Normale Supérieure d’Abidjan (Côte d’Ivoire), KOUADIO Anne Marilyse
Published: February 2025

Cette étude consacrée au personnel domestique féminin (PDF) de la métropole abidjanaise, s’intéresse aux conditions de logement de ces travailleuses : types de logement, localisation des domiciles, statuts d’occupation des logements. Il s’agit de relever et d’analyser les raisons de ces conditions. Enfin, en quoi ces conditions relèvent-elles de stratégies particulières à ce groupe de travailleuses ? Cette perspective suggère, sur le plan méthodologique, le recours à l’importante littérature consacrée à la question du logement et à la situation des travailleurs et de les confronter à nos enquêtes récentes sur les PDF.
El efecto de la desinformación en la toma de decisiones durante procesos electorales.
Authors:   Investigador independiente, Aldas Zambrano Cesar
Published: February 2025

Este estudio analizó la influencia de la desinformación en la percepción y decisiones electorales, así como el papel de la alfabetización mediática en su mitigación. Con un enfoque cuantitativo y diseño transversal correlacional, se aplicó un cuestionario a 384 ciudadanos. Se utilizaron estadísticas descriptivas e inferenciales, como correlaciones de Spearman y tablas cruzadas. Los hallazgos indican que la exposición a desinformación afecta la percepción sobre candidatos y el proceso electoral, aunque no siempre cambia la intención de voto. La alfabetización mediática disminuye la susceptibilidad a noticias falsas, pero su impacto es limitado. Se concluye que es clave fortalecer la educación digital y establecer regulaciones más efectivas para reducir la desinformación en los procesos democráticos.
ESG and company market value: The mediating effect of financial performance
Authors: Le Huu Phuc , Bui Thu Hien
Published: February 2025

This study explores the correlation between ESG performance and company market value, with a particular emphasis on the mediating role of financial performance within listed firms in Vietnam. The main goal of this study is to analyze a representative sample of 199 publicly listed companies in Vietnam from 2019 to 2023. The findings reveal that ESG positively impacts market value by enhancing financial performance, particularly profitability. By investigating the relationship between ESG performance and company market value, alongside the mediating role of financial performance, this study contributes meaningfully to existing knowledge. Focusing on financial performance as a mediator, the research offers deeper insights into how ESG factors influence market value. The findings hold practical relevance for various stakeholders, including investors, policymakers, and corporate managers. By emphasizing the role of ESG in driving both financial performance and market value, the study highlights the necessity for companies to embed ESG considerations into their strategic decision-making to improve long-term sustainability, reduce risks, and attract socially responsible investors. Additionally, the study provides actionable recommendations for stakeholders such as investors and policymakers, reinforcing the importance of integrating ESG principles into business and regulatory frameworks.
Vocational training experience in asociation with solving employment challenges for rural workers in various countries and some recommendations for Vietnam
Authors: Nguyen Thanh Thao
Published: February 2025

In Vietnam, the proportion of the agricultural workforce receiving vocational training remains low compared to the overall agricultural labor force and the demand within the sector. The structure of vocational training programs is not yet well-aligned with the agricultural restructuring progress and rural development. Studying the vocational training experience and policies for rural workers of several developed countries, such as China, South Korea, Japan, Thailand, the Netherlands, and Australia, can provide valuable insights and recommendations for Vietnam. These insights can help guide the country in refining its vocational training strategies to solve employment challenges, facilitate labor market transitions in rural areas, and achieve breakthroughs in modernizing agriculture and rural industry by leveraging existing culture, traditions, and resource advantages.
Do macroeconomic uncertainty factors cause banking instability? Evidence from an emerging economy
Authors: Le Ha Diem Chi , Nguyen Hoang Vinh Loc
Published: February 2025

The study examines whether instability in macroeconomic factors, such as economic growth, inflation, and money supply, causes Vietnamese commercial banks to be unstable. The OLS regression method only gives a result showing the positive or negative impact of the independent variable on the dependent variable. However, with quantile regression, the bank stability level is divided into many small quantiles, and for each quantile, there is a regression function. The quantile regression results show that GDP growth uncertainty negatively affects banking stability at low quantiles of bank stability; however, in the high quantiles, GDP growth uncertainty has an insignificant impact on bank stability. The results imply that the more volatile the economic growth is, the more unstable the bank will be if banks have low stabilization. However, if banks have high stability, economic growth uncertainty does not affect banking stability. The results of money supply M2 uncertainty impact on bank stability are similar to GDP growth uncertainty. Moreover, high inflation uncertainty reduces bank stability in most of the quantiles of the bank stability.
Assessing the impact of factors on Vietnam's key seafood product exports: A case study of the European Union market
Authors: Nguyen Huu Cung , Dang Trung Tuyen , Nguyen Thi Hong , Dang Phuong Linh
Published: February 2025

This paper aimed to determine the impact of factors on Vietnam’s key seafood product exports to the European Union. A gravity model was employed to analyze the panel data of 27 EU member nations in the partnership with Vietnam during the period of ten years from 2011 to 2020. After study, the findings showed that the key seafood exports of Vietnam to its European partner countries are determined by GDP, the GDP per capita between Vietnam and EU countries, the population of EU countries, the distance, and the real effective exchange rates. Of which, the GDP per capita is the factor with the strongest impact, followed by the GDP of the member countries. The remaining factors also have an impact but with low coefficients (the highest is only 0.86). Based on the obtained results, the article has made two suggestions to further promote the export of these products to the EU market: Dominating and stabilizing a domestic market; Enhancing product quality to make Vietnamese seafood become a common to high-end product in the EU market to take advantage of the free trade agreement between Vietnam and the EU that has just taken effect.
Experience in attracting green FDI in some Asian countries and implications for Vietnam
Authors: Mai Tuyet Nhung
Published: February 2025

Green foreign direct investment (FDI) is when foreign investors inject clean technologies, practices, projects, and capital into a host country. This type of investment aims to support development and tackle issues like pollution, climate change, and resource depletion. In Vietnam, in recent years, it has been evident that alongside the positive contributions and the demand for "greening" FDI, there are still many FDI projects that have negative impacts on the environment. In this context, green FDI is an inevitable investment trend. The paper discusses the experiences of some Asian countries in attracting green FDI, thereby providing some implications for Vietnam.
Tác động của biến đổi khí hậu đến chất lượng tín dụng - Nghiên cứu thực nghiệm tại các ngân hàng thương mại Việt Nam
Authors: Vũ Thị Kim Oanh , Nguyễn Thị Thu Hà
Published: February 2025

Biến đổi khí hậu và rủi ro tài chính liên quan đến khí hậu đang ngày càng trở thành một vấn đề đáng quan tâm của các nhà quản lý. Bài viết sử dụng mô hình kinh tế lượng để đánh giá tác động của biến đổi khí hậu đến chất lượng tín dụng tại các ngân hàng thương mại (NHTM) Việt Nam trong giai đoạn từ năm 2013 đến năm 2023, trong đó thay đổi nhiệt độ, lượng mưa và lượng khí thải carbon đại diện cho biến đổi khí hậu và tỷ lệ nợ xấu phản ánh chất lượng tín dụng tại các NHTM Việt Nam. Kết quả nghiên cứu cho thấy, thay đổi nhiệt độ và lượng mưa đều có ảnh hưởng tiêu cực đến chất lượng tín dụng của các NHTM Việt Nam, trong khi tác động của lượng khí thải carbon không có ý nghĩa thống kê. Nghiên cứu gợi ra những đề xuất nhằm giảm thiểu biến đổi khí hậu tại Việt Nam cũng như giảm thiểu tác động của biến đổi khí hậu đến chất lượng tín dụng của các ngân hàng thương mại.
Sử dụng mô hình DEA đánh giá hiệu quả kinh doanh của các công ty chứng khoán trên thị trường chứng khoán Việt Nam
Authors: Lê Đức Tố
Published: February 2025

Nghiên cứu này sử dụng mô hình phân tích bao dữ liệu (DEA) để đánh giá hiệu quả kinh doanh của các công ty chứng khoán trên thị trường chứng khoán Việt Nam. Với dữ liệu từ 32 công ty trong giai đoạn 2018-2023, nghiên cứu phân tích các yếu tố đầu vào gồm tổng tài sản, vốn chủ sở hữu và chi phí hoạt động, cùng các yếu tố đầu ra như doanh thu và lợi nhuận sau thuế. Kết quả cho thấy sự khác biệt lớn về hiệu quả giữa các công ty, với các công ty lớn như SSI, HSC, và VNDIRECT đạt hiệu suất cao nhờ quản lý tài sản và tối ưu hóa chi phí tốt. Trong đó, các công ty nhỏ hơn gặp khó khăn trong duy trì cạnh tranh và kiểm soát chi phí, dẫn đến hiệu quả kinh doanh thấp hơn. Nghiên cứu gợi ý rằng việc cải thiện quản lý tài sản, tối ưu hóa chi phí và đẩy mạnh ứng dụng công nghệ tài chính sẽ giúp nâng cao hiệu quả cho các công ty. Kết quả này cung cấp cơ sở cho các khuyến nghị chính sách nhằm hỗ trợ các công ty chứng khoán nhằm nâng cao hiệu quả, hướng tới phát triển bền vững trong bối cảnh cạnh tranh và chuyển đổi số.
Nghiên cứu kinh nghiệm quốc tế và bài học rút ra về chính sách tài chính nhằm phát triển mô hình kinh tế tuần hoàn trong nông nghiệp ở Việt Nam
Authors: Nguyễn Đào Tùng , Nguyễn Hữu Đại , Bùi Thị Minh Nguyệt
Published: February 2025

Nghiên cứu này tập trung phân tích các kinh nghiệm quốc tế về chính sách tài chính phát triển mô hình kinh tế tuần hoàn trong nông nghiệp, nhằm hướng đến mục tiêu rút ra các bài học áp dụng cho Việt Nam. Cụ thể, nghiên cứu tổng hợp các chính sách tài chính và hỗ trợ từ các khu vực tiêu biểu như Liên minh Châu Âu, Mỹ và Trung Quốc. Bằng cách so sánh các chiến lược và phương pháp tài chính của các quốc gia này, nghiên cứu đánh giá những yếu tố thành công và thách thức trong việc triển khai mô hình kinh tế tuần hoàn trong nông nghiệp. Những kinh nghiệm quốc tế cung cấp những gợi ý quan trọng về các chính sách tài chính và các yếu tố cần thiết để điều chỉnh và áp dụng phù hợp với điều kiện và nhu cầu của Việt Nam, góp phần thúc đẩy sự phát triển bền vững mô hình kinh tế tuần hoàn trong nông nghiệp ở Việt Nam.
Curing of novel Geopolymer brick using phase change material (paraffin wax) in passive solar dryer and comparison of proper-ties with conventional Geopolymer brick
Authors:   Department of Mechanical Engineering, Kalasalingam Academy of Research and Education, Krishnankoil-626126, India., Kumar Jeevan Ashok
Published: February 2025

Conventionally, in Geopolymer bricks (GPBs), fly ash from power plants and ground granulated blast furnace slag (GGBS) are converted into bricks by chemical treatment. In this work, a novel GPB has been obtained by adding nano silica and rice husk ash along with conventional ingredients of GPB. In solar drying, paraffin wax is employed for accelerating the curing time by utilizing its latent heat stored in the form of phase change. It has been experimentally found that solar drying method with paraffin wax utilizes shorter curing time when compared to electrical oven curing and open sun drying. The properties of novel GPB are evaluated by mechanical testing and compared with conventional GPB. It has been experimentally observed that novel GPB exhibits higher mechanical properties when compared to conventional GPB. Also in this study, SEM images (2
μ
m, 5 KX), (3
μ
m, 4 KX), (10
μ
m, 1 KX), (20
μ
m, 500X), (100
μ
m, 250X) and EDX analysis of novel GPB obtained from test results have been furnished. Smart quantitative results from EDX analysis show that O K has the highest weight percentage and atomic percentage.
Compositeur versus Système : la méthode créative de Leonid Hrabovsky
Authors: Zagaykevych Alla
Published: February 2025

L’article examine la formation de la méthode de composition algorithmique du compositeur ukrainien Leonid Hrabovsky dans une large perspective historique. Le compositeur a commencé à travailler sur cette méthode dans les années 1960, dans le temps de formation du mouvement d’avant-garde et de dissidence en Ukraine, et l’a terminé en 2015, lors du mouvement actif de décolonisation et d’intégration européenne de l’Ukraine.

L’expression « Compositeur versus Système » signifie donc à la fois une opposition au « système » de pression politique et idéologique sur les artistes, et un désir conscient de créer son propre « système de composition » qui permettrait au compositeur de développer son propre monde créatif.

L’article définit la méthode créative de Hrabovsky comme une méthode de processus aléatoires contrôlés de variabilité des paramètres musicaux, où il combine des séries de motifs diatoniques (construits séparément et composés d’intervalles différents) avec des séries de figures rythmiques également construites séparément.
Assessment of youth's moral consciousness
Authors: Chvyakin Vladimir Alekseevich , Kozilova Lidiya Vasilievna
Published: February 2025

The subject of the study is the process of moral development in adolescence as an evaluative component of a person's consciousness, considering events and actions from the perspective of moral categories, norms, and values. Special attention is paid to moral development in the overall process of socialization. Such development goes through certain stages until morality is organized at the conventional level. This level of morality involves taking into account public opinion and realizing that a person's moral judgments should depend more on external conditions. It is taken into account that the development and formation of moral judgments in adolescence is subject to moral distortions, but generally passes through such stages as the pre-conventional, conventional and post-conventional levels of moral maturity.  The research methodology is represented by the theory of moral development, which was developed by Lawrence Kohlberg and according to which the development of morality includes six stages. These stages are described in three levels: pre-conventional, conventional and post-conventional. These are the three main levels of moral consciousness development. The novelty of the research lies in identifying and specifying the content of the levels of moral consciousness of young people, depending on their age and place of residence. The main conclusions of the study are that adolescents often have a postconventional level of moral development rather than its conventional level. The indicator of the conventionality of adolescent morality in comparison with the subjects of the older (youth) group indicates that adolescents quite often focus only on their own ideas about the importance of morality and therefore are prone to moral distortions of perception of social situations. The prevalence of indicators of the development of moral consciousness in adolescence, depending on the place of residence. The territorial factor of development is important for socialization at this age. Compared to youth from the regions, representatives of Moscow youth are more often characterized by indicators of pre-conceptual consciousness. Conventional choices on diagnostic dilemmas, on the contrary, are more common among regional youth compared to Moscow youth. Post-conventional moral beliefs are more common among the youth of the Moscow agglomeration than among the youth from the regions.
Self Efficacy dan Financial Behavior Wirausaha Muda Jawa Timur di masa Pandemi Covid-19
Authors:   Departemen Manajemen, Fakultas Ekonomi dan Bisnis, Universitas Indonesia, Amidjono Dwi Sulistyorini
Published: February 2025

This study investigated self-efficacy and financial behavior of young entrepreneurs in East Java during the Covid-19 pandemic. Research respondents came from 5,161 young entrepreneurs in East Java with an age range of 18-34 years who took part in Financial Life Skills (FLS) Online Train- ing during June 2020 to April 2021. Data were collected using a questionnaire developed by the YouthWin Through Economic Participation (YEP) project funded by USAID1. The results showed that young entrepreneurs participating in FLS training had slightly higher self-efficacy in financial skills compare to self-efficacy in soft skills, and high financial inclusion behavior with insufficient financial literacy. The findings also revealed a positive, strong, and significant correlation between self-effi- cacy in soft skills and self-efficacy in financial skills; as well as a positive, moderate, and significant corralation between self-efficacy in soft skills and financial behavior related to the attitude towards the importance of understanding financial literacy. To support Indonesian young entrepreneurs, make better, optimal business and financial decisions, they need to be equipped with various self-capacity development programs that combine soft skills with financial skills.
STUDI MEDIASI SEKUENSIAL: MITIGASI TURNOVER INTENTION PADA TENAGA KERJA SUBSEKTOR ARSITEKTUR DI ERA TRANSFORMASI DIGITAL
Authors:   Magister Manajemen, Fakultas Ekonomi dan Bisnis, Universitas Indonesia, Soraya Altheannisa Agatha , Ardiyanti Niken ,   Fakultas Ekonomi dan Bisnis, Universitas Indonesia
Published: February 2025

This study aims to analyze the role of resilience, job security, social support, and job satisfaction on turnover intention among 300 workers in the architecture sector in Indonesia. Using Covariance Based Structural Equation Model, this study found that social support and job satisfaction act as mediators in the relationship between resilience and turnover intention. Social support has a positive influence on turnover intention, different from earlier findings, which may be due to the context of the Indonesian architecture sector. This study contributes to the literature by testing the sequential mediating relationships between resilience, social support, job satisfaction, and turnover intention. Practical implications suggest that this model can be tested in other industries with diverse cultures and characteristics, as well as further studying the potential relationship between job security and perceived social support in more dynamic jobs and diverse levels of job security.
Population Genetic Diversity of Goldfish (Carassius auratus) from Zhejiang River Basin Based on Mitochondrial Cytochrome Oxidase Subunit I (COI) Gene Sequence
Authors: Liu Jindian , Xu Xiaojun , Luo Quanfu , Wang Lianrong , Sheng Pengcheng , Song Hongjian , Liu Shuai , Lou Bao
Published: February 2025

Carassius auratus is an indigenous and economically important species in China. The genetic diversity of three C. auratus populations from Tiaoxi River (TXR), Oujiang River (OJR), and Qiantangjiang (QTJ) River basin, were studied. The genetic diversity of the three populations was evaluated by mitochondrial cytochrome oxidase subunit I (COI) sequences. Totally, 225 individuals were sampled from three populations. After the sequencing of 541 bp fragments of COI gene, 536 variable sites were found and no insertion or deletion was detected. The Hap_38 (haplotype 38) was the dominant haplotype shared by 225 individuals (11.11% of all individuals) and existed in all localities. The haplotype diversity (Hd) values ranged from 0.866 to 0.931, while the values of nucleotide diversity (Pi) varied from 0.388 to 0.549. All three populations showed high genetic diversity. The pair-wise fixation index (FST) value between TXR and QTJ populations was 0.1409, which indicated that they were in middle genetic differentiation (0.05<FST<0.15), while the FST value between TXR and OJR populations, and between OJR and QTJ populations were 0.1816 and 0.1775, respectively, which indicated that they were in high genetic differentiation (FST>0.15). Based on the genetic structure, TXR and OJR populations were in the same cluster separated from QTJ population. In summary, by mitochondrial COI gene analysis, all three C. auratus populations had high genetic diversity. Populations TXR and OJR had a closer genetic distance, and they had a large genetic distance with QTJ population. This study provides a particularly important basis for C. auratus resource conservation and utilization.
Development of a Simulation Model of Multiband Radio Transmission Network for Access to Audio Information in Open RAN
Authors: Pleshkova Snezhana , Todorov Martin
Published: February 2025

The transmission characteristics of audio information in Open RAN networks can be estimated using the appropriate simulation models. Most of the existing models are built for the transmission of specific test signals, not real audio information. Therefore, the goal of this article is to develop an Open RAN simulation model suitable for access to audio information and to use this model to estimate the quality of transmitted audio information. The presented experimental results demonstrate the ability of the proposed model to simulate multiband radio transmission network for access to real audio information and to achieve the maximum capacity of 5789 Mbps.
Radiosolariz Solar Radio Telescope Short Monopole Antenna
Authors: Zabunov Svetoslav , Miteva Rositsa , Mardirossian Garo
Published: February 2025

The current paper explores the possibility of implementing a shortened monopole antenna for the purposes of radio reception of broadband radio emission from the Sun in the low portion of the very high frequency (VHF) radio band. The frequency range of interest is the lowest band starting from the top high frequency (HF) spectrum near 20~MHz and extending to 65~MHz. In this range radio waves penetrate the ionosphere and observation of solar activities is feasible.
The proposed antenna is broadband, un-tuned, and receive-only and is suitable for reception in radio bands where the background noise is high, such as the low VHF band. The antenna exhibits numerous advantages over standard solutions. Among those are compactness, rigidity, low cost, ease of operation and maintenance, portability, uniform receiving characteristics and gain within the spectrum of interest.
RadioSolariz project (http://www.radiosolariz.space) is a Bulgarian radio telescope project initiated in 2019 at the Space Research and Technology Institute – Bulgarian Academy of Sciences. The project is backed by a number of designs and innovations protected by patents and utility models registered at the Patent Office of the Republic of Bulgaria.
Effect of Repetitive Loading From 5 Km of Running on Plantar Pressure in Healthy Young Participants
Authors: Momoka Takahashi , Tomoya Takabayashi , Hajime Kamijo , Takanori Kikumoto , Masayoshi Kubo
Published: February 2025

Background: Repetitive loading during running is associated with the occurrence of running injuries. Several previous studies have assessed plantar pressure before, during, and after running. However, the difference in plantar pressure before and after 5 km of running has not been investigated. A 5-km running distance can be easily achieved by novice and recreational runners. There is evidence that novice runners are more likely to suffer injuries from running compared with experienced runners. This study aimed to examine changes in plantar pressure before and after 5 km of running.

Methods: The participants were 10 healthy adult men who were asked to run 5 km on a treadmill. The foot plantar pressure area was measured before and after running. Plantar pressure data were divided according to the following areas: toe, metatarsal, heel, medial, lateral, anterior, posterior. The peak values of each area during the stance phase were compared before and after 5 km of running using paired t-test or Wilcoxon signed-rank test.

Results: The peak value of plantar pressure on the hallux (p=0.01), first metatarsal (p<0.01), toe (hallux and 2nd–5th toe) (p=0.04), and medial (metatarsal, first metatarsal, medial heel) (p=0.04) areas was significantly lower after running than before running.

Conclusions: The plantar pressure of the medial and anterior foot areas after 5 km of running decreased. This may be because the participants were adopting a strategy that avoided overloading the medial and anterior foot area throughout 5 km of running. To elucidate this involved mechanism, future research should focus on related muscle activity.
Balance, Gait and Foot Pressure Distribution in Neuropathic Pain Associated with Lumbar Disc Degeneration
Authors: Korkusuz Suleyman , Korkusuz Büsra Seckinogullari , Yuruk Zeliha Ozlem , Kibar Sibel , Yavuz Ferdi
Published: February 2025

Background: This study aimed to evaluate the effects of NP associated with LDD on balance, gait and foot pressure distribution.

Methods: This prospective controlled study was conducted on 42 individuals aged between 40-70 years. There were 3 groups in the study: individuals diagnosed with NP associated with LDD (n=14), individuals with LDD without NP (n=14), and the control group (n=14). The Force Plate system and Core Balance System measured static and dynamic postural balance and stability limits. Gait and dynamic plantar pressure distribution analyses were performed with a computerized gait evaluation system.

Results: The Leeds Assessment of Neuropathic Signs and Symptoms (LANSS), VAS during gait, and Oswestry Disability Index (ODI) scores were higher in LDD with NP group than in LDD without NP group (p<0.05). It was found that LDD with NP group had backward dynamic balance control (p<0.05). There was no significant difference in balance control, dynamic plantar pressure distribution, and spatiotemporal gait parameters between the groups (p>0.05).

Conclusion: Although participants with NP had higher levels of pain severity in gait and disability, there was no difference in postural balance, dynamic plantar pressure distribution, and spatiotemporal gait parameters compared to participants with LDD without NP and healthy individuals. All participants with LDD were unilaterally affected. Therefore, postural balance and gait tasks would be able to compensate for the unaffected limb.
Dichotomy between extracellular signatures of active dendritic chemical synapses and gap junctions
Authors: Sirmaur Richa , Narayanan Rishikesh
Published: February 2025

Local field potentials (LFPs) are compound signals that represent the dynamic flow of information across the brain, which have been historically associated with chemical synaptic inputs. How do gap junctional inputs onto active compartments shape LFPs? We developed methodology to record extracellular potentials associated with different patterns of gap junctional inputs onto conductance-based models. We found that synchronous inputs through chemical synapses yielded a negative deflection in proximal extracellular electrodes, whereas those onto gap junctions manifested a positive deflection. Importantly, we observed extracellular dipoles only when inputs arrived through chemical synapses, but not with gap junctions. Remarkably, hyperpolarization-activation cyclic nucleotide-gated channels, which typically conduct inward currents, mediated outward currents triggered by the fast voltage transition caused by synchronous inputs. With rhythmic inputs at different frequencies arriving through gap junctions, we found strong suppression of LFP power at higher frequencies as well as frequency-dependent differences in the spike phase associated with the LFP, when compared to respective chemical synaptic counterparts. All observed differences in LFP were mediated by the relative dominance of synaptic currents
vs
. voltage-driven transmembrane currents with chemical synapses
vs
. gap junctions, respectively. Our analyses unveil a hitherto unknown role for active dendritic gap junctions in shaping extracellular potentials.
Watching axons on the move
Authors: Lazaro-Pena Maria I , Diaz-Balzac Carlos A
Published: February 2025

The ligand Netrin mediates axon guidance through a combination of haptotaxis over short distances and chemotaxis over longer distances.
Omissions of threat trigger subjective relief and prediction error-like signaling in the human reward and salience systems
Authors: Willems Anne L , Van Oudenhove Lukas , Vervliet Bram
Published: February 2025

The unexpected absence of danger constitutes a pleasurable event that is critical for the learning of safety. Accumulating evidence points to similarities between the processing of absent threat and the well-established reward prediction error (PE). However, clear-cut evidence for this analogy in humans is scarce. In line with recent animal data, we showed that the unexpected omission of (painful) electrical stimulation triggers activations within key regions of the reward and salience pathways and that these activations correlate with the pleasantness of the reported relief. Furthermore, by parametrically violating participants’ probability and intensity related expectations of the upcoming stimulation, we showed for the first time in humans that omission-related activations in the VTA/SN were stronger following omissions of more probable and intense stimulations, like a positive reward PE signal. Together, our findings provide additional support for an overlap in the neural processing of absent danger and rewards in humans.