bluuebunny/crossref_metadata_2025 huggingface dataset:
Habitar de emergencia: Un hábitat transitorio para Tomé (Chile) tras el desastre
Authors: Álvarez-Agea Alberto , Bris-Marino Pablo , Bendito-Muñoz-de-Cuerva Félix , Martínez-Díaz Daniel
Published: January 2025

An academic workshop was held using a user-focused bottom-up approach to learn lessons about the possibility of a transitory habitat using pre-disaster planning and shared spaces that allow, post-disaster, to meet individual and community needs. In this workshop, using analysis guided by the qualitative study of interviews with a representative sample of the affected population and an ideation stage guided by feedback and correction cycles, configurations are proposed for the case study of the commune of Tomé in the Bío-Bío Region, Chile, which was severely damaged by the forest fires that affected the country in February 2023. Qualitative planning of participatory and shared solutions was used, to face the quantitative imposition of technocratic and universal solutions.
Prácticas del habitar hacia la adaptación y resiliencia en un entorno anfibio en Colombia
Authors: Chica-Segovia Angélica
Published: January 2025

The Colombian Caribbean Great Depression, located in the Magdalena-Cauca macro-basin, faces significant ecosystem degradation due to anthropogenic activities that have negatively impacted the habitat and quality of life of its inhabitants. This article presents the progress of the Yuma: infinite cultural diversity project, focused on the identification of indicators of adaptation and resilience of the communities in the face of contemporary challenges related to the water of their wetlands, which emphasizes the value of local knowledge and practices. Through a qualitative ethnographic methodology, the three sub-regions are explored: La Mojana, the Momposina Depression and La Zapatosa, in which we seek to delineate multi-scale strategies for interventions that respect traditional habitation and foster self-management and governance. Preliminary results highlight the need for public policies that recognize local practices and strengthen the adaptive capacity of communities to ensure their resilience in the face of current environmental challenges.
Relações de contato na Terra Indígena Mãe Maria (PA): O mito Hàkti mẽ Kuhỳ (Gavião real e Fogo)
Authors: Silva Jerônimo da Silva e , Caetano Rodrigo Costa
Published: January 2025

Durante a segunda metade do século XX, a Amazônia foi palco da intensificação das ditas políticas de colonização do Estado brasileiro. Esse processo teve como consequência o deslocamento compulsório do povo indígena Gavião (Kỳikatêjê, Parkatêjê e Akrãtikatêjê) para a Terra Indígena Mãe Maria, localizada no sudeste do Pará. O artigo analisa como as lideranças indígenas pensam o mito Hàkti mẽ Kuhỳ (Gavião real e Fogo) enquanto discurso cuja interpretação é mobilizada à luz das vicissitudes do contexto das tratativas das relações com a mineradora Vale S/A, situa as articulações internas das alianças intergrupais, as estratégias discursivas e certas compreensões nos usos de sua própria língua e da língua portuguesa e na defesa dos interesses territoriais. A orientação metodológica da pesquisa de campo antropológica, se situa no acompanhamento das relações entre os Gavião e a Vale S/A entre 2018 e 2022 no âmbito das políticas de renovação de convênio, no registro das reuniões, encontros dos caciques e das implicações dos saberes tradicionais em situações de conflito. A conjuntura das lutas e formas de organização Gavião nos últimos anos, sublinhando rapidamente a complexidade da vida indígena na Terra Indígena Mãe Maria são articuladas ao mito referenciado como parte do próprio processo de transformação da sociedade e da cultura, sendo, portanto, chave de leitura significativa no intento de perceber como os termos próprios do pensamento indígena Gavião são pensados a partir do contato com a presença não indígena.
Decisões eleitorais e a “aceitação” da diversidade sexual e de gênero na família: conflitos e conciliações entre “pessoas trans” e seus familiares nas eleições de 2018 para a presidência do Brasil
Authors: Costa Novo Arthur Leonardo
Published: January 2025

Este artigo discute os dilemas, tensionamentos e embates vividos por “pessoas trans”, travestis e transexuais, e suas famílias de origem durante a campanha eleitoral de 2018 para a Presidência da República. O objetivo é compreender como as disputas na arena política envolvendo moralidades sexuais, concepções de gênero e sexualidade e valores familiares foram experienciadas no cotidiano dos sujeitos com suas famílias. A problemática é relevante porque evidencia a permeabilidade da política à vida íntima, contribuindo para entender em que medida relações com familiares trans ou homossexuais têm ou não reflexo nas preferências de eleitores por candidatos considerados progressistas ou conservadores nas pautas relacionadas à diversidade sexual e de gênero. Os dados resultam de pesquisa de campo etnográfica realizada ao longo de 14 meses, entre 2018 e 2019, em João Pessoa (PB), em um ambulatório do “Processo Transexualizador” do Sistema Único de Saúde (SUS), em centros de políticas públicas para homossexuais, travestis e transexuais e em atividades de ativismo de uma organização de famílias de “filhos LGBT+”. Também foram realizadas entrevistas semiestruturadas, em profundidade, com 21 homens trans, mulheres trans e travestis e com 14 familiares de sujeitos transexuais. A pesquisa evidenciou como conflitos no campo da diversidade sexual e de gênero que ganharam relevo no debate público durante as eleições produziram efeitos variados nos arranjos de “aceitação” que preservavam as relações familiares, mobilizando decisões de voto e adesão às candidaturas identificadas como contrárias ou favoráveis aos direitos de minorias sexuais e de gênero.
Entre a rua e aldeias: mobilidade, memória e retomada Pankaxuri (AL)
Authors: Mura Claudia , Silva Wemerson Ferreira da
Published: January 2025

O artigo aborda a mobilidade e a elaboração da memória de uma família indígena Pankaxuri no processo de retomada da Cachoeira do Tamanduá, uma área localizada no agreste alagoano, Nordeste do Brasil. Desde uma abordagem etnográfica, analisa as atuais disputas entre diferentes atores sociais e instituições, além da heterogeneidade de trajetórias das famílias indígenas que habitam a região e que, em diferentes situações históricas, foram e são diversamente impactadas pela ação de Estado. O trabalho busca demonstrar que a mobilidade propiciou o convívio entre famílias que, compartilhando a condição de desaldeadas e o mesmo contexto experiencial, caracterizado por uma posição de desigualdade em relação a outras famílias indígenas, refletem sobre a própria condição, articulam-se e engajam-se na luta pela terra. O agenciamento de memórias, entidades e conhecimentos que essa reivindicação territorial impulsiona, delineia específicos territórios que desafiam as fronteiras físicas e administrativas das Terras Indígenas, viabilizando tanto a continuação das formas organizativas indígenas, quanto a atualização de coletivos étnicos. A elaboração da memória pelos/as membros da atual comunidade Pankaxuri é atrelada à restauração de sua reputação moral cuja demonstração pública, realizada por meio do discurso emocional, vem permitindo a ressignificação das perdas e dos traumas gerados por repetidas experiências de expulsões e deslocamentos, aglutinando famílias indígenas que se engajam em um projeto coletivo de vida entre parentes.
Laudos antropológicos em contextos quilombolas: breve ensaio bibliográfico sobre a produção brasileira
Authors: Nascimento Rosânia Oliveira do
Published: January 2025

Neste texto, temos por objetivo apresentar a revisão bibliográfica sobre a produção antropológica referente a produção de laudos antropológicos em contextos quilombolas no Brasil. Em termos metodológicos, empreendemos buscas em publicações da Associação Brasileira de Antropologia, especialmente as referências recorrentes em documentos e na produção científica de integrantes do Comitê Quilombos. Dessa forma, adotamos os seguintes descritores nas buscas: “direitos humanos”, “terras de preto”, “territorialidades quilombolas”, “comunidades negras rurais”, “quilombos”, “conflitos socioambientais”, “laudos/perícias” e “ética” e, em uma segunda etapa, selecionamos os principais livros e coletâneas. Assim, em uma terceira etapa, foram realizadas buscas de artigos científicos usando os descritores anteriores em plataformas como a Scielo, Academia Edu, OasisBr. e Google Acadêmico. Ao final do texto, consideramos que o artigo 68 dos Atos das Disposições Constitucionais Transitórias da Constituição Federal de 1988 foi um marco na trajetória de luta do movimento nacional quilombola, mas impôs nos anos seguintes a necessidade de sua implementação no âmbito governamental. Nesse imbróglio, identificamos uma trama de sujeitos envolvidos como a sociedade civil organizada, a Associação Brasileira de Antropologia, Ministério Público Federal, Instituto Nacional de Reforma Agrária, Fundação Cultural Palmares, pesquisadores/as, acadêmicos/as. No entanto, ainda que tenhamos percebido o avanço de políticas públicas na esfera governamental, a titulação dos territórios quilombolas não tem sido efetivada pelo Estado brasileiro.
Pencegahan Kerentanan Keamanan Jaringan Komputer Mikrotik Menggunakan Metode Penetration Testing
Authors: Alfian Alfian , Purwaningsih Mardiana , Wicaksono Fandan Dwi Nugroho
Published: January 2025

Jaringan komputer perusahaan sangat perlu memperhatikan keamanan hak akses. Saat ini keamanan pada jaringan komputer secara umum di berbagai perusahaan masih memiliki peluang dapat diretas. Selain itu seringkali perusahaan juga memakai berbagai macam jaringan atau biasa disebut multivendor, misal Cisco, Aruba, Fortinet, F5 Firewall serta Mikrotik, sehingga mekanisme pengamanannya menjadi lebih kompleks. Dengan begitu banyak jaringan lokal nirkabel (WLAN) dan jaringan lokal terhubung (LAN) yang tersedia, maka keamanan jaringan harus menjadi prioritas utama. Router yang digunakan oleh perusahaan saat ini seringkali juga tidak memiliki jenis perlindungan jaringan Internet, memungkinkan setiap pengguna terhubung dengan relatif mudah. Kondisi ini membuka ancaman terhadap keamanan, sehingga perlu untuk melakukan pengujian keamanan terhadap konfigurasi jaringan komputer yang ada saat ini. Metode pengujian yang digunakan adalah Penetration Testing untuk mengetahui apakah jaringan yang sudah dibuat aman, yang kemudian dilanjutkan dengan mengusulkan konfigurasi router untuk meningkatkan keamanan jaringan. Hasil pengujian dan analisis yang telah dilakukan seperti Winbox, Putty, dan MAC Server tidak berhasil, sedangkan untuk Nesuss berhasil dilakukan tetapi hanya dapat mendeskripsikan Vulnerabilities SSL dan tidak dapat masuk ke dalam jaringan komputer.
Performance Evaluation of Ammonia Refrigeration Systems in a Texturizing Plant
Authors: Cholik Abdul , Ruhyat Nanang , Novianto Sentot
Published: January 2025

This study evaluates the performance of an ammonia refrigeration system used as a cooling medium in a texturizing plant. The analysis was conducted over a 10-day period, focusing on key performance indicators such as compressor work, condenser exhaust heat, refrigeration effect, mass flow rate, Coefficient of Performance (COP), and overall system efficiency. The data revealed that the system performed optimally on Day 5, achieving a peak efficiency of 91%, with compressor work at 304.1 kJ/kg and condenser exhaust heat at 1414.6 kJ/kg. In contrast, the lowest efficiency was recorded on Day 3, at 77%. The refrigeration effect reached its highest value of 491.3 kJ/kg on Day 3, highlighting efficient heat absorption despite lower overall system efficiency. On Day 4, the mass flow rate was 0.001049929 kg/s, with an actual COP of 1.39, while the ideal COP peaked on Day 10 at 1.69, reflecting the system’s theoretical maximum efficiency under optimal conditions. The study emphasizes the critical role of the condenser in the system’s performance. Optimizing the condenser’s operation by controlling temperature, pressure, and flow rates, alongside regular maintenance, significantly impacts system efficiency. The findings suggest that careful monitoring of operational parameters, including compressor work and refrigerant flow, can enhance the overall efficiency and reliability of ammonia refrigeration systems in industrial settings. This research provides practical insights into improving the cooling performance, reducing energy consumption, and ensuring consistent production quality in texturizing plants.
An Analysis of the Effects of Investment Decisions, Funding Decisions, and Dividend Policies on Firm Value
Authors: Zaldi Shadhwina , Nabilah Aisyah , Apribi Cika Tri , Zainab Siti
Published: January 2025

The global economy is still experiencing instability in the capital market. Several factors cause capital market instability. One of the factors that affect the capital market is financial information. Financial information can affect stock prices and overall company value. This study aims to analyze the effect of investment decisions, funding decisions, and dividend policies on firm value. The method used uses quantitative methodology with an associative approach. The population of this study are public companies listed on the Bursa Efek Indonesia with Food and Beverages companies as samples. The sampling method used is purposive sampling method. Samples were collected from 8 Food and Beverages companies listed on the Bursa Efek Indonesia during 2017—2023. The data analysis technique uses the classical assumption test, multiple linear regression equation, coefficient of determination (R² test), and hypothesis testing. The results show that: (1) Investment decisions influence firm value; (2) Funding decisions have no effect on firm value; (3) Dividend policies has no effect on firm value; and (4) Investment decisions, funding decisions, and dividend policies have an influence on firm value with an influence of 40.3%.
The Effect of Board Diversity on Performance Mediated by Company Risk in Consumer Cyclicals Companies
Authors: Putri Fara Ghassani , Muchtar Susy
Published: January 2025

This research aims to analyze the influence gender on board directors and commissioners on company performance. The data used in this research is secondary data sourced from the annual reports of consumer cyclicals companies listed on the Indonesia Stock Exchange (BEI) during the 2019 - 2023 period. The research sample was selected using a purposive sampling method so that 80 companies were sampled. The data analysis used to test the hypothesis is panel data regression analysis using the Eviews 9 program. The research results show that Gender Diversity has no effect on ROA and Share Prices. Board Independence has no effect on ROA and has a negative effect on share prices. Board Size has a positive effect on ROA and Share Prices. Institutional Ownership has a positive effect on ROA and Share Prices. Liquidity has no effect on ROA and share prices. Gender Diversity has a negative effect on the Debt To Assets Ratio. Board Independence has no effect on the Debt To Assets Ratio. Board Size has no effect on the Debt To Assets Ratio. Institutional Ownership has no effect on the Debt To Assets Ratio. Gender Diversity has a negative effect on ROA and Share Prices which is mediated by the Debt To Assets Ratio. Board Independence has no effect on ROA and Share Prices which are mediated by the Debt To Assets Ratio. Board Size has no effect on ROA and Share Prices which are mediated by the Debt To Assets Ratio. Institutional Ownership has no effect on ROA and Share Prices which are mediated by the Debt To Assets Ratio.
The Influence Facility Work on The Employee's Performance of Vocational High School of Rosma Karawang District
Authors: Indriyanti Veronica Pangesti , Solehudin Solehudin
Published: January 2025

The potential of every human resource in an organization must be utilized as well as possible so as to be able to provide optimal work results. The achievement of the goals set by an organization does not only depend on modern equipment, complete facilities and infrastructure, but also depends on the people who carry out the work. The success of an organization is greatly influenced by the performance of individual employees. This study aims to determine the effect of staff organization on staff performance in Rosma Vocational Secondary School, Karawang District. This type of research is quantitative research using descriptive and observational research methods. There are 69 samples in this study. The survey method used in this study is a satisfaction survey. The research findings of this study use a multi-line exploratory research method. The results showed that Rosma Vocational High School, Karawang District, is among the institutions that affect employee performance
Brijunski plenum kao idejni i koncepcijski sukob
Authors: Žarković Petar , Bešlin Milivoj
Published: January 2025

Rad polazi od osnovnih postulata jugoslavenskoga modela socijalizma, konstituiranih nakon razlaza sa Sovjetskim Savezom kao jedinim uzorom u izgradnji revolucionarnoga poretka. U procesu kreiranja samoupravnoga socijalizma u jugoslavenskom vrhu bile su jasno naznačene ideološke kontradikcije i borba dviju orijentacija. Duboka koncepcijska razilaženja nastaju početkom 60-ih godina, a kulminacija je uslijedila na Brijunskom plenumu 1966. godine. Autor problematizira pitanje koncepcijskih razlika u jugoslavenskom rukovodstvu na pitanju uloge Saveza komunista Jugoslavije, čija se promjena očekivala u zacrtanim ciljevima jugoslavenske političke liberalizacije. Primjer sukoba između Državnoga sekretarijata za vanjske poslove i centralnih partijskih organa, oličenih u Aleksandru Rankoviću, poslužio je u radu kao ilustracija različitoga gledanja na ulogu partijske strukture u samoupravnom sistemu. Na taj način sagledao bi se bliže jedan od važnih segmenata spora protiv Rankovića na Brijunskom plenumu i proširio krug zainteresiranih aktera za taj prijelomni događaj. Rad se temelji na prvorazrednoj arhivskoj građi i izvorima koji otkrivaju dubinske uzroke za povijesnu prekretnicu napravljenu u vrhu jugoslavenske države i Partije.
Istočno-pravoslavni bogoslovni fakultet Sveučilišta u Zagrebu
Authors: Veselinović Velimir
Published: January 2025

Autor se u članku na temelju arhivskoga gradiva pohranjenog u Rektoratu Sveučilišta u Zagrebu, zapisnika sjednica Hrvatskoga sabora i relevantne literature bavi Istočno-pravoslavnim bogoslovnim fakultetom. Riječ je o šestom po redu osnovanom fakultetu u povijesti Sveučilišta u Zagrebu. Prikazuju se inicijative za njegovo osnivanje koje počinju 1861., samo osnivanje 1920., djelovanje i položaj na Sveučilištu te ukidanje 1924. godine. Članak donosi i popis njegovih redovitih studenata i onih koji su dobili apsolutorij.
Time Below Range and Its Influence on Hypoglycemia Awareness and Severe Hypoglycemia: Insights From the Association of British Clinical Diabetologists Study
Authors: Deshmukh Harshal , Wilmot Emma G. , Choudhary Pratik , Ssemmondo Emmanuel , Barnes Dennis , Walker Neil , Walton Chris , Ryder Robert E.J. , Sathyapalan Thozhukat
Published: January 2025

OBJECTIVE

This study aimed to explore the relationship between time below range (TBR), impaired awareness of hypoglycemia (IAH), and severe hypoglycemia (SH).

RESEARCH DESIGN AND METHODS

This cross-sectional study analyzed data from individuals with diabetes using continuous glucose monitors (CGMs) in the Association of British Clinical Diabetologists audit. Hypoglycemia awareness was assessed via the Gold score (≥4 denoting IAH), and SH was defined as hypoglycemia requiring third-party assistance. Logistic regression was used to determine the association between TBR percentage (<70 mg/dL; 3.9 mmol/L) at first follow-up and follow-up Gold score and SH incidence. The Youden J index identified optimal TBR percentage cutoffs for detecting IAH and SH.

RESULTS

The study included 15,777 participants, with follow-up TBR and SH data available for 5,029. The median TBR percentage was 4% (interquartile range 2–6.6%), with 42% meeting the recommended TBR of ≤4%. Adjusted for age, sex, and BMI, TBR was significantly associated with SH (P < 0.001) and IAH (P = 0.005). Optimal TBR cutoffs for identifying IAH and SH were 3.35% and 3.95%, yielding negative predictive value (NPV) values of 85% and 97%, respectively.

CONCLUSIONS

Our findings support the international consensus recommending a TBR of <4% in type 1 diabetes, with high NPV values suggesting the utility of TBR in screening for SH.
Artificial Neural Networks in Pancreatic Cancer: Modernization in Risk Prediction and Early Diagnosis
Authors: Gupta Richa , SA Firdous
Published: January 2025

Pancreatic cancer is spreading worldwide with 12th
most common causing cancer. It is also leading on 7th cause
of mortality among all other cancer types. In past 5 years, the
survival rate is less than 6% associated with poor prognosis.
Case of Hairy Cell Leukemia – Rare Presentation
Authors: Singh Ramnik , S Billawaria , R Alexender
Published: January 2025

Hairy cell leukemia (HCL) is indolent chronic B-cell neoplasm involving the bone marrow, spleen, and peripheral blood. The
complete blood count reveal pancytopenia. On peripheral blood examination reveal small to medium sized lymphocytes
having circumferential villous projection with reniform nuclei and moderate amount of cytoplasm. Clinical features which
patient usually present is Fever, generalized weakness and abdominal pain. On clinical examination may also reveal massive
splenomegaly. Most common median age of presentation is approximately 55 year. Diagnosis for hairy cell leukemia is based
on morphology, immunological phenotyping by flow cytometry, immunohistochemistry on trephine biopsy, and the presence
of BRAFV600E mutation.
African Histoplasmosis Misdiagnosed as Tuberculosis: A Case Report and Literature Review
Authors: Phillip Omega , S Musoke , O Tonny , A Mawanda , M Boaz , I Asiimwe , M Okello , A Gladys , E Wanyeze , E Byebei , JD Masumba , J Nakayemba , M Kyakoonye , R Atuhura , G Nsobya , R Lukande , P Bukirwa , B Namwase , S Musoke , M Yekosani , F Kakooza , S Kalungi
Published: January 2025

African histoplasmosis, caused by Histoplasma capsulatum var. duboisii, is a rare fungal infection endemic to sub-Saharan Africa,
including Uganda. It primarily affects the skin, subcutaneous tissues, and bones, often mimicking more common conditions
such as tuberculosis (TB). This report describes a 35-year-old Ugandan male who presented with a chronic, non-healing ulcer
on his upper right arm, initially misdiagnosed and treated as TB for three months without improvement. Histopathological
analysis of a biopsy revealed granulomatous inflammation with large, thick-walled yeasts characteristic of H. capsulatum
var. duboisii, confirmed using Grocott methenamine-silver and Periodic Acid-Schiff stains. The patient was subsequently
treated with itraconazole, resulting in significant clinical improvement. This case highlights the diagnostic challenges of
African histoplasmosis in resource-limited settings and emphasizes the critical role of histopathology in differentiating it from
other chronic infectious diseases. Increased clinician awareness and diagnostic capacity are essential for timely and accurate
diagnosis
The Possibility and Limitation of Legal Subject Status of Artificial Intelligence from the Perspective of Criminal Law
Authors: Na Jiang , T Xin
Published: January 2025

As the application of artificial intelligence is more and more involved in human life, the investigation of the legal subject status
of artificial intelligence has also become a major hot spot in the field of jurisprudence. The creation of artificial intelligence
brings convenience to human life, but also brings harm, how to govern this harm from the perspective of criminal law is very
important. Artificial intelligence is divided into strong artificial intelligence and weak artificial intelligence, both of which have
affirmative and negative statements about the status of legal subjects. Through analysis, it is found that the artificial intelligence
in the current era still belongs to the weak artificial intelligence, does not have the status of legal subject, due to the lack of
subjective consciousness, it is difficult to identify the subject of the implementation of hazardous acts, the lack of sentencing
capacity, and should not be held criminally liable. When weak artificial intelligence causes harm results independently from
natural persons, but cannot bear criminal responsibility, it should still be treated as a legal object, and special legislation
should be adopted to clarify the producer and user's duty of care and criminal responsibility for negligence, or special ways
such as degradation and forced labor should be adopted to deal with the harm caused by weak artificial intelligence from the
perspective of prevention and compensation.
Analisis Kesulitan Membaca Permulaan pada Peserta Didik Kelas III Sekolah Dasar
Authors: Aristiana Sari Lia , Agnita Siska  , Dina Prasetyowati  , Rafika Nuriafuri
Published: January 2025

Penelitian ini bertujuan untuk menganalisis kesulitan membaca permulaan peserta didik kelas III di Sekolah Dasar Negeri Sendangmulyo 02 Semarang. Jenis penelitian yang digunakan yakni penelitian kualitatif deskriptif dengan subjek yang berjumlah 3 peserta didik. Informan dari penelitian ini adalah guru dan peserta didik yang mengalami kesulitan membaca permulaan. Metode penelitian menggunakan teknik Triangulasi data. Teknik analisis data berupa reduksi data, penyajian data dan penarikan kesimpulan. Metode pengumpulan data berupa observasi, wawancara dan dokumentasi. Teknik analisis data yang digunakan berupa analisis non-statistik. Seluruh peserta didik kelas III Sekolah Dasar Negeri Sendangmulyo 02 Semarang dengan jumlah sebanyak 28 peserta didik, terdapat 3 peserta didik yang mengalami kesulitan membaca permulaan. Hasil penelitian menunjukkan bahwa aspek kesulitan tertinggi peserta didik dalam membaca permulaan disebabkan oleh sulitnya siswa dalam mengingat huruf, faktor penyebab kesulitan membaca berasal dari faktor internal berupa minat serta faktor eksternal yakni dukungan dari orangtua. Karakteristik kesulitan membacapermulaan peserta didik yaitu: kesulitan mengidentifikasi huruf dan merangkai susunan huruf, membaca kata dan suku kata, mengubah kata, menghilangkan huruf dalam susunan kata, mengeja terbata-bata dan sulit konsentrasi.
E-Module Based Training Management with an Experiential Learning Approach to Enhance Project Based Learning (PjBL) Implementation by Teachers
Authors: Philip Putra Perdana  , Wahyudi
Published: January 2025

This research is motivated by several problems that hinder the optimization of project-based learning. These include misconceptions about PjBL, inadequate teacher training that does not have a solid connection to experiential learning, which is the core principle of PjBL, and the need for experiential learning-based training e-modules for teachers. Therefore, this study aims to develop an e-module-based training management system using an experiential learning approach to improve teachers' ability to implement the PjBL model. This study utilized the Borg & Gall research and development methodology and the ADDIE model. The study used a mixed-methods approach, combining qualitative and quantitative methods. The subjects involved in this study were various subjects taught to teachers in senior high and junior high schools. Data collection methods included observation, interviews, and questionnaires. Qualitative data were analyzed using the Miles and Huberman method, while quantitative data were analyzed using descriptive statistics with scores and percentages. The research produced an e-module-based PjBL model training management product with an experiential learning approach that was presented as a website. This product obtained a validation score of 94% from IT experts and 88% from training management experts, and it received a limited trial score of 95%, which is an outstanding category. Based on these results, it is stated that the e-module product is valid and feasible to use in the learning process. Training on the PjBL model with an experiential learning approach can give teachers different experiences and a deeper understanding.
Problem Based Learning Bermuatan Kearifan Lokal terhadap Kemampuan Berpikir Kritis dan Kreatif Siswa SMP
Authors: I Kadek Muliarsa  , A. A. I. A. Rai Sudiatmika  , Ni Made Pujani
Published: January 2025

Kemampuan berpikir kritis siswa kelas pada mata pelajaran IPA memiliki persentase yang masih rendah. Tujuan penelitian ini adalah untuk menganalisis pengaruh model problem based learning bermuatan kearifan lokal terhadap kemampuan berpikir kritis dan kreatif siswa. Penelitian ini merupakan kuasi eksperimental dengan megambil desain nonequivalent pretest-posttest control group design. Penelitian ini melibatkan satu kelompok eksperimen dan satu kelompok kontrol. Data dikumpulkan dengan menggunakan metode tes. Data yang dikumpulkan diuji dengan menggunakan statistik inferensial Mancova. Namun sebelum dilakukan pengujian hipotesis dilakukan uji asumsi yang meliputi uji normalitas, uji homogenitas, uji linearitas, uji multikolinearitas, dan uji homogenitas matriks varians-kovarian. Setelah semua uji asumsi terpenuhi dilakukan pengujian hipotesis dengan menggunakan Mancova. Hasil penelitian menunjukkan bahwa terdapat perbedaan kemampuan berpikir kritis dan kemampuan berpikir kreatif antara kelompok model problem based learning bermuatan kearifan lokal dengan kelompok model problem based learning. Kemampuan berpikir kritis dan kemampuan berpikir kreatif kelompok model problem based learning bermuatan kearifan lokal berada dalam kategori sangat baik, sedangkan untuk kelompok model problem based learning berada pada kategori cukup baik. Simpulan penelitian menunjukkan terdapat perbedaan kemampuan berpikir kreatif siswa yang menggunakan model problem-based learning bermuatan kearifan lokal.
Real-Time WIP Shelf-Life Tracking with Barcode Technology for Defects Reduction
Authors: Rusman Oktalia , Sriwarna Iphov Kumala , Prambudia Yudha
Published: January 2025

Manual labeling of product information in the wafer production line at PT XYZ failed to meet secure tracking and tracing requirements, resulting in increased defects. To solve this problem, the author used the Gemba Kaizen approach as a tool companies use for continuous improvement achieved through low-cost steps. Our main idea is to introduce alternative technologies by developing real-time applications to track WIP (Work-in-process) movement information in production. This barcode technology uses low-cost technology and has proven effective in helping production supervisors speed up decision-making of WIP management and minimize the risk of process failure in production that causes an increase in the number of defects. The results showed that the real-time system can reduce the number of defects from 2.6% to 1.6%. This can optimize overall inventory management and provide valuable insights for manufacturing companies looking to improve their operational efficiency through low-cost technology and real-time monitoring.
Evaluating the Impact of Maintenance Personnel Competencies on Aircraft Safety and Maintenance Efficiency
Authors: Timjerdine Mohammed , Taibi Saoudi , Moubachir Younes , Chokri Belkacem
Published: January 2025

Aircraft maintenance is highly regulated field where safety and efficiency are paramount. Taking in account that maintenance and ground handling accounting for approximately 23% of direct operational costs and to remain competitive, airlines prioritize performance-driven maintenance management. In other hand, as the technicians are important pillar of the system, this paper examines the correlation between the quality of maintenance technicians—and maintenance performance, considering factors such as compliance with safety standards, timely responses, and cost efficiency. The analysis draws on a survey of 90 respondents within key maintenance roles, assessing technician experience, morale, skills, stress, communication, and adherence to safety protocols. Through canonical correlation analysis, results suggest that communication, experience and morale have a statistically significant effect on maintenance effectiveness; whereas stress or safety perception do not affect performance noticeably. The study contributes to literature by highlighting the role of technical and non-technical skills in optimizing maintenance operations. However, further research with expanded sample sizes is needed to solidify these findings and refine best practices for workforce development in aeronautical maintenance.
Synthesis of Sulphonated Carbon Catalyst from Coconut Shell and its Application in Esterification of Free Fatty Acid in Used Cooking Oil
Authors: Ulfah Maria , Pasymi Pasymi , Burmawi Burmawi , Amir Amelia
Published: January 2025

Coconut shells are a prevalent agricultural waste product in Indonesia. Currently, there is a trend toward developing heterogeneous catalysts for the esterification reaction of vegetable oils to produce biodiesel. These catalysts are made from biomass carbon. This research aims to investigate the effectiveness of using carbon precursors derived from coconut shells to create a heterogeneous acid catalyst for the esterification of waste cooking oil (WCO). Another objective is to identify the optimal esterification reaction conditions catalyzed by the developed sulfonated carbon catalyst, which exhibits the highest performance in converting free fatty acids (FFA). The coconut shells were carbonized using conventional methods and functionalized with concentrated sulfuric acid through dry impregnation. This process was conducted under various sulfonation conditions. The varied preparation parameters included the carbon-acid ratio (1:7.1, 1:10, 1:12.8, and 1:15.7% w/v), contact time (1 to 4 days), and calcination temperature (270°C, 340°C, and 450°C). The charcoal and catalyst developed in this research were characterized through composition analysis using X-ray fluorescence (XRF) and crystal phase analysis using X-ray diffraction (XRD). The best catalyst preparation conditions were determined to be a carbon-acid ratio of 1:15.7% (w/v), a contact time of 3 days, and a calcination temperature of 340°C. The optimal esterification reaction conditions were achieved using a mole ratio of methanol to WCO of 12:1, with a catalyst amount of 1.6%, for a duration of 1 hour at a temperature of 60°C. This reaction resulted in a conversion rate of 84.6%.
Adsorption of Malachite Green Dye by Magnetic Carboxymethyl Chitosan
Authors: Kurniasih Mardiyah , Setyaningtyas Tien , Riyani Kapti , Luthfia Adilla , Aghniya Imtiyazul
Published: January 2025

Malachite green dye is widely used in the textile industry. Wastewater contaminated with malachite green dye threatens aquatic life and human health. Therefore, adsorption is needed in the dye waste treatment process. This research aims to synthesize magnetic carboxymethyl chitosan as an adsorbent for malachite green dye. Magnetic carboxymethyl chitosan was synthesized via a coprecipitation method and analyzed using FTIR. Batch experiments were used to study the adsorption of malachite green dye under adsorption parameters, such as the effects of pH and time, adsorption kinetics, isotherms, and reusability. The research results show that at pH 4, malachite green adsorbed most effectively into magnetic carboxymethyl chitosan. The pseudo-second-order kinetic model and the Langmuir adsorption isotherm model describe the adsorption process. Reduction for malachite green chitosan, carboxymethyl chitosan, and magnetic carboxymethyl chitosan were 34.19, 83.24, and 91.34%, respectively.
Bioactive Potential and Antioxidant Activity of Blood Clam (Tegillarca granosa L.) Protein for Functional Food Applications
Authors: Hasan Tahirah , Alim Nur , Salim La Ode Agus
Published: January 2025

This study investigates the antioxidant potential and protein content of the blood clam (Tegillarca granosa L.), a marine species rich in bioactive compounds that could serve as a functional food source. Antioxidants play a crucial role in combating free radicals, which are linked to various degenerative diseases. This research aims to quantify the protein content and evaluate the antioxidant activity of blood clam extracts to assess their potential for functional food applications. The study utilized the Lowry method to measure protein content and the DPPH assay to assess antioxidant activity. Blood clam samples were collected from the coastal region of Pangkep, South Sulawesi. Protein levels were determined using UV-Vis spectrophotometry, while antioxidant activity was quantified by IC50 values. Results indicate that blood clams contain 21.75% protein, with an IC50 antioxidant value of 17.935 ± 0.360 µg/mL, which, while lower than ascorbic acid (IC50 = 2.34 µg/mL), demonstrates substantial antioxidant activity. This study’s unique contribution to the functional food field lies in identifying blood clams as a promising source of both protein and antioxidants, with potential health benefits related to oxidative stress prevention. The practical implications highlight blood clam's suitability as a natural functional food ingredient aimed at supporting overall health.
An innovative BP neural network approach to tackling extreme weather challenges in the global property insurance sector
Authors: Wu Shuxin , Zhao Yanqiu , Chen Cheng , Feng Sheng-Ya
Published: January 2025

Climate change has led to a rise in both the frequency and intensity of extreme weather events, presenting substantial challenges to the global property insurance sector. This study examines the concurrent crises faced by insurance companies in maintaining profitability and by property owners in affording coverage, thereby necessitating a reevaluation of current insurance paradigms. We present an innovative approach that utilizes a back-propagation (BP) neural network to forecast insurance losses and guide strategic underwriting decisions in regions prone to perils. Our advanced model combines crucial factors such as the likelihood of extreme meteorological phenomena, insurance risk premiums, and capital adequacy ratios to predict impending losses and inform insurance policy formulation. Through an extensive analysis of nearly two decades of catastrophe data from the United States and New Zealand, we determine the model’s effectiveness in anticipating insurance-related losses and providing strategic guidance to insurance entities. The study concludes with recommendations for insurers to enhance risk assessment, innovate products, collaborate with governments, invest in green projects, and establish dedicated climate risk management teams. The study contributes to the discourse on climate change adaptation in the insurance industry and offers practical solutions for navigating the complexities of extreme weather risk.
Hydrological dynamics and road infrastructure resilience: A case study of river Nile state, Sudan
Authors: Anwer Hossam Aldeen , Hassan Abubakr
Published: January 2025

This study investigates the relationship between hydrological processes, watershed management, and road infrastructure resilience, focusing on the impact of flooding on roads intersecting with streams in River Nile State, Sudan. Situated between 16.5° N to 18.5° N latitude and 33° E to 34° E longitude, this region faces significant flooding challenges that threaten its ecological and economic stability. Using precise Digital Elevation Models (DEMs) and advanced hydrological modeling, the research aims to identify optimal flood mitigation solutions, such as overpass bridges. The study quantifies the total road length in the area at 3572.279 km, with stream orders distributed as follows: First Order at 2276.79 km (50.7%), Second Order at 521.48 km (11.6%), Third Order at 331.26 km (7.4%), and Fourth Order at 1359.92 km (30.3%). Approximately 27% (12 out of 45) of the identified road flooding points were situated within third- and fourth-order streams, mainly along the Atbara-Shendi Road and near Al-Abidiya and Merowe. Blockages varied in distance, with the longest at 256 m in Al-Abidiya, and included additional measurements of 88, 49, 112, 106, 66, 500, and 142 m. Some locations experienced partial flood damage despite having water culverts at 7 of these points, indicating possible design flaws or insufficient hydrological analysis during construction. The findings suggest that enhanced scrutiny, potentially using high-resolution DEMs, is essential for better vulnerability assessment and management. The study proposes tailored solutions to protect infrastructure, promoting sustainability and environmental stewardship.
An econometric model based on moments of high orders of a time series for detecting the crisis in stock markets of USA, Germany and Hong Kong
Authors: Yousif N.B.A. , Stepanova Diana , Astaubayeva Gulnar , Uandykova Mafura , Mikhaylov Alexey
Published: January 2025

Many financial crises have occurred in recent decades, such as the International Debt Crisis of 1982, the East Asian Economic Crisis of 1997–2001, the Russian economic crisis of 1992–1997, the Latin American debt Crisis of 1994–2002, the Global Economic Recession of 2007–2009, which had a strong impact on international relations. The aim of this article is to create an econometric model of the indicator for identifying crisis situations arising in stock markets. The approach under consideration includes data for preprocessing and assessing the stability of the trend of time series using higher-order moments. The results obtained are compared with specific practical situations. To test the proposed indicator, real data of the stock indices of the USA, Germany and Hong Kong in the period World Financial Crisis are used. The scientific novelty of the results of the article consists in the analysis of the initial and given initial moments of high order, as well as the central and reduced central moments of high order. The econometric model of the indicator for identifying crisis situations arising considered in the work, based on high-order moments plays a pivotal role in crisis detection in stock markets, influencing financial innovations in managing the national economy. The findings contribute to the resilience and adaptability of the financial system, ultimately shaping the trajectory of the national economy. By facilitating timely crisis detection, the model supports efforts to maintain economic stability, thereby fostering sustainable growth and resilience in the face of financial disruptions. The model’s insights can shape the national innovation ecosystem by guiding the development and adoption of monetary and financial innovations that are aligned with the economy’s specific needs and challenges.
Monitoring water quality and tracking pollution using water surface vehicle: The case of Ayer Keroh Lake, Malaysia
Authors: Lim Way-Soong , Pang Shen-Yee , Ong Zen Luey-Hooi , Suppiah Yasothei , Yeo Boon-Chin
Published: January 2025

Physical sampling of water on site is necessary for various applications like drinking water quality checking in lakes and checking for contaminants in freshwater systems. The use of water surface vehicles is a promising technology for monitoring and sampling water bodies, and they offer several advantages over traditional monitoring methods. This project involved designing and integrating a drone controller, water collection sampling contraption unit, and a surveillance camera system into a water surface vehicle (WSV). The drone controller unit is used to operate the boat from the starting location until the location of interest and then back to the starting location. The drone controller has an autopilot system where the operator can set a course and be able to travel following the path set, whereas the WSV will fight the external forces to keep itself in the right position. The water collection sampling unit is mounted onto WSV so when it travels to the location, it can start collecting and holding water samples until it returns to the start location. The field of view (FOV) surveillance camera helps the operator to observe the surrounding location during the operation. Experiments were conducted to determine the operational capabilities of the robot boat at the Ayer Keroh Lake. The water collection sampling contraption unit collected samples from 44 targeted areas of the lake. The comprehensive examination of 14 different water quality parameters were tested from the collected water samples provides insights into the factors influencing the pollution and observation of water bodies. The successful design and development of a water surface surveillance and pollution tracking vehicle marks the key achievements of this study. The developed collection and surveillance unit holds the potential for further refinement and integration onto various other platforms. They are offering valuable assistance in water body management, coastal surveillance, and pollution tracking. This system opens up new possibilities for comprehensive water body assessments, contributing to the advancement of sustainable and efficient water testing. Through careful sampling efforts, a thorough overview of the substances presents in the water collected from Ayer Keroh Lake has been compiled. This in-depth analysis provides important insights into the lake’s current condition, offering valuable information about its ecological health.
Multi-Regional Input-Output Analysis (MRIO): Exploring Trends and Gaining Key Insights Through Bibliometric Analysis
Authors: Tennakoon Subhasinghe Manchanayake Appuhamilage Vishwanath Sandeepa
Published: January 2025

Understanding the interaction of economies with the environment is very important in today’s globalized world. Traditional economic models, which focus on single regions, are often inadequate for capturing the complexity of these global interactions. To overcome this, Multi-Regional Input-Output (MRIO) matrices expand conventional Input Output (IO) models by incorporating multiple regions, providing a comprehensive view of economic relationships within the global economy. The purpose of this study is to present a comprehensive bibliometric review of scientific articles published on the topic of “Multi-Regional Input-Output” analysis in an attempt to understand the research trends, key themes, and future research directions in this field. The methodology undertaken in this paper is a bibliometric analysis of 1,247 research publications from 2003 to 2024. This has been performed by extracting bibliometric data with the Biblioshiny function of the Bibliometrix package in R-studio and mapping it to identify crucial trends and contributors to MRIO research. The findings of these analyses can be summarised into five key points. First, research in the MRIO field is significantly increasing, especially since 2014 and peaking in 2022. Second, the Journal of Cleaner Production is by far the most prolific source for MRIO research. The thematic analysis finds that “carbon pricing,” “environmental policy,” and “embodied energy” are among the dominant and popular themes within MRIO research. The study highlights the importance of collaboration networks and key contributors within the field, identifying influential authors, sources, and trending keywords. Furthermore, the study underlines that important authors, sources and trending keywords in MRIO research agree with the pattern of collaboration extrapolated considering works cited. Finally, great value is put into future research to investigate new themes and work further on integrating and consolidating them into a wider MRIO framework. This is one of the first attempts at a bibliometric analysis of MRIO research. Hence, this bibliometric review provides valuable insights for future research by pinpointing areas for further investigation, such as integrating MRIO methodologies into broader sustainability assessment frameworks and improving their applicability for policy decision-making.