bluuebunny/crossref_metadata_2025 huggingface dataset:
Relación pedagógica e interacción comunicativa
Authors: Gil Congote Lina Marcela
Published: July 2024

Este artículo pretende mostrar una manera de ejercer la docencia, advirtiendo tensiones y preguntas constantes que, más allá de un caso particular tomado de una experiencia de trabajo de campo, permite narrar una situación cotidiana en las aulas de clase que puede transformarse en una experiencia privilegiada de interacción comunicativa. Se contrastan conceptos básicos del trabajo analítico con grupos, en especial la transferencia (Lopera, Ramírez, Zuluaga, Ortiz, 2010), con algunas categorías del análisis semiolingüístico del discurso, particularmente los principios de alteridad, pertinencia, regulación e influencia que plantea Patrick Charadeau (1995), con el fin de construir reflexiones generales sobre los vínculos pedagógicos y lo que significa enseñar y aprender
Percepción de riesgo frente al VIH: estudios en mujeres homosexuales
Authors: Orcasita Pineda Linda Teresa , Palma García Diana Marcela , Munévar Cabal Juliana
Published: July 2024

En el mundo, alrededor de 35.3 millones de personas presentan el diagnóstico de VIH, las mujeres constituyen el 50% (Joint United Nations Programe on HIV/AIDS, 2013). En Colombia, para el 2010, los casos eran a razón de 2:1 frente a los hombres. Las mujeres homosexuales son una población invisible en programas de investigación y prevención; su baja percepción de riesgo de transmisión contribuye a esta problemática. Esta revisión explora estudios sobre la percepción del riesgo sobre VIH/Sida en mujeres homosexuales, evidenciando una brecha en la definición metodológica y conceptual, necesidad de incluir a las mujeres homosexuales en la intervención e investigación del VIH y visibilización como parte del fenómeno con investigaciones que difieran de una mirada heteronormativa de la sexualidad.
La internalización del ideal de delgadez: factor de riesgo de alteraciones de la imagen corporal y los hábitos de alimentación, generado por la influencia de pares
Authors: Saffon Sarita , Saldarriaga Lina María
Published: July 2024

El propósito de la presente revisión crítica es analizar la internalización del ideal de delgadez y sus efectos en los individuos. Dicho análisis permite identificar el rol predictivo y mediador que cumple en la interacción entre las relaciones de pares y el desarrollo de alteraciones en la imagen corporal y en los hábitos alimenticios. Se examinan diferencias por sexo y etapas del desarrollo, y se hace una revisión de instrumentos de medición. Las conclusiones muestran que es necesario continuar estudiando los mecanismos de internalización y sus consecuencias, así como también la manera de prevenir y tratar sus efectos. Se enfatiza en la necesidad de comprender la importancia que tiene la internalización en la salud mental y física de los individuos.
Eventos estresores y factores psicosociales en estudiantes de una universidad privada de Medellín, Colombia
Authors: Peláez Upegui Laura , Londoño Salinas Ana María , Gartner Giraldo Clara , Agudelo Vélez Camilo Andrés , Martínez Sánchez Lina María , Tirado Otálvaro Andrés Felipe , Loaiza Echeverri Érica Tatiana , Lopera Valle Johan Sebastián , Rojas Jiménez Sara , Builes Gómez Juan José , Manrique Rincón Andrea , Ortiz Trujillo Isabel Cristina
Published: July 2024

El objetivo de este trabajo es determinar la valoración de eventos estresores percibida por estudiantes universitarios de los tres primeros semestres académicos y explorar su asociación con factores psicosociales. Se incluyeron 372 estudiantes de diferentes carreras y se indagó por variables sociodemográficas y psicosociales (problemas relativos al grupo primario de apoyo, al ambiente social, a la enseñanza, a lo económico y otros). Los factores de Enseñanza, Económico y Otros, fueron considerados con un mayor nivel de estrés en comparación al Grupo Primario de Apoyo y Ambiente Social. Enseñanza fue el factor que mayor distribución presentó en el nivel 4, lo que representa mayor grado e intensidad de estrés.
Traumas asociados a violencia en excombatientes de grupos armados ilegales
Authors: Aristizábal Díaz-Granados Edith T.
Published: July 2024

En este artículo se abordarán solo los elementos comunes que pudieron aislarse del discurso de los excombatientes respecto a lo que constituyó para ellos la Causa Específica de su trauma y los síntomas desencadenados. Se abordarán las neurosis traumáticas que pudieron ser aisladas en las entrevistas realizadas con treinta y cinco hombres y mujeres excombatientes de grupos armados ilegales durante dos procesos investigativos. La metodología empleada fue un Diseño Cualitativo que anuda mediante una matriz de análisis (ARIADGE) la Teoría fundada con el Diseño de Comparación Multi-Caso. Los datos discursivos de los entrevistados fueron agrupados en categorías y subcategorías emergentes; agrupación que se hizo a partir de los elementos comunes relatados por los sujetos y de las categorías extraídas de la Ecuación Etiológica formulada por Freud en 1895, para explicar los momentos lógicos de producción de un traumatismo psíquico.
Exploración de la coherencia en niños con antecedentes neurológicos: una mirada en positivo del sujeto y sus potencialidades
Authors: Bonilla Valencia Pilar del Carmen , Arteaga Díaz Gabriel , De Castro Daza Diana Patricia
Published: July 2024

El objetivo de este estudio es explorar el establecimiento de la coherencia en narraciones orales y escritas en tres niños con antecedentes neurológicos perinatales, a partir de una tarea de construcción de narraciones con base en dos fuentes generativas. La metodología se centra en la construcción de estudios de caso, por tanto se hace énfasis en las particularidades de los desempeños, los cuales son analizados a la luz de la perspectiva de la psicología del desarrollo cognitivo y la neuropsicología, con miras a comprender el sujeto y trascender la apreciación del déficit y la dificultad. En los resultados las producciones orales y escritas de los niños se caracterizan por expresar la coherencia como un funcionamiento cognitivo establecido por el sujeto.
Mecanismos de relación entre la personalidad y los procesos de salud-enfermedad
Authors: Jiménez Benítez Mercedes
Published: July 2024

Se revisa en la literatura histórica y actual la relación entre personalidad y salud. El vínculo se establece al considerar la personalidad como un módulo que interactúa en un complejo sistema procesual del cual es producto el proceso de salud-enfermedad. Si la salud es bienestar y capacidad adaptativa, ¿cuáles sistemas psicológicos de la personalidad influyen en ella? Se concluye que se relacionan por diversos mecanismos, aunque la revisión imposibilita formular conclusiones estables. Las competencias emocionales podrían enlazar ambas temáticas. Los modelos podrían favorecer aplicaciones clínicas pertinentes, elegir sujetos indicados para la prevención, impulsar políticas de promoción de salud, etc. Son necesarios modelos de investigación que estudien los mecanismos que las unen. Finalmente, las investigaciones sobre personalidad positiva resultan prometedoras.
La socialización infame: una mirada desde la psicología social
Authors: Romero Miranda Alejandro
Published: July 2024

La infamia debe ser entendida como una de las principales formas de sanción parapenal. En las sociedades modernas o post industriales, ella no sólo estructura imágenes que recaen sobre los sujetos, sino también, sobre todo su círculo social. Es decir, hoy por hoy, la infamia como mecanismo de sanción moral no sólo estigmatiza al propio sujeto, sino que además a todos quienes forman parte de su realidad y mundo de la vida. Palabras clave autores: Infamia, Contrato Social, Ceremonia de Degradación, Severidad Complementaria.
Representaciones Sociales sobre Normalidad en un grupo de profesionales de la Salud Mental en la Ciudad de Medellín: Análisis Prototípico y Categorial
Authors: Pineda Rodríguez Carolina , Betancur Betancur Catalina
Published: July 2024

Se exploran las representaciones sociales – RS -  sobre “Normalidad” construidas por profesionales que trabajan en el campo de la salud mental – SM – en la ciudad de Medellín, Colombia. Participaron 117 profesionales de disciplinas relacionadas con el campo de la salud mental; a través de la técnica asociativa de evocación libre de palabras, se generaron los datos que luego se analizaron prototípica y categorialmente, lo primero con la ayuda del programa EVOC 2003, y lo segundo, bajo los principios metodológicos de la teoría fundada. El concepto de “normalidad” es producto de RS al estar conformado por el saber científico y el sentido común, lo cual puede tener implicaciones en la práctica de los profesionales de la salud mental.
sujeto en los juegos del poder: subjetivación y desubjetivación desde Foucault
Authors: Ramírez Zuluaga Luis Antonio
Published: July 2024

Este artículo desarrolla una reflexión teórica sobre las posibles funciones que puede tener el sujeto con respecto a las relaciones de poder y a la resistencia. Para ello se recurre inicialmente a la noción de subjetivación como referente de los modos en el que el ser humano se  convierte  en  sujeto  y  eventualmente  deviene  un nodo de resistencia al poder. Posteriormente se aborda una  singular  forma  de  resistencia  denominada desubjetivación,  planteada  por  Foucault  desde  sus  análisis del lenguaje literario contemporáneo; se trata de una tipología moderna de las “prácticas de sí” que implica no sólo una manera de rebasar la idea de sujeto originario y autosuficiente del conocimiento, sino también cierta perspectiva  emancipadora  del  sujeto  en  tanto  forma de experiencia límite que busca el desprendimiento y la transformación de sí.
Pharmacotherapy of plexiform neurofibromas in patients with neurofibromatosis type 1. Possible adverse events and their management
Authors: Pivovarova A. M. , Dorofeeva M. Yu. , Zabrodina A. R. , Bochenkov S. V. , Grigoryeva A. V. , Gorchkhanova Z. K. , Voronina V. R.
Published: July 2024

Neurofibromatosis type 1 is a multisystem genetic disorder associated with an increased risk of benign and malignant tumors due to mutations in the NF1 gene. Clinical manifestations of the disease vary and depend on the patient’s age. One of the most common complications of neurofibromatosis type 1 is plexiform neurofibroma – a benign tumor affecting peripheral nerves. For a long time, there had been no standard care for such patients in the Russian Federation; treatment of plexiform neurofibromas was usually limited to symptomatic therapy and repeated surgical interventions. In the last few years, treatment approach to patients with neurofibromatosis type 1 complicated by plexiform neurofibromas changed, since a targeted drug, selumetinib became available. In clinical trials, 65 % of children receiving selumetinib demonstrated a partial response (reduction in the volume of plexiform neurofibromas by 20 % or more) for more than 3 cycles (months), 56 % of children demonstrated a long-term response (a year or more) without traumatic surgical interventions. In our country, more than 200 children have already received selumetinib under the early access program after its registration in the Russian Federation (January 2021). In Yu.E. Veltischev Research and Clinical Institute for Pediatrics and Pediatric Surgery, the drug was prescribed to 104 patients; of them, 54 patients were followed up between April 2021 and October 2023. The most common adverse events associated with selumetinib in our patients included skin rash (acne/maculopapular rash or eczema), dry skin, hair discoloration and hair loss, paronychia, and an asymptomatic elevation of creatine phosphokinase. This article provides information on the most common adverse events of selumetinib therapy, preventive measures, and recommendations for patient follow-up.
A QUALITATIVE EVALUATION ON THE TRANSITION PROCESS FROM UNDERSECRETARY TO DEPUTY MINISTER IN THE CONTEXT OF TOP-LEVEL MANAGEMENT
Authors: Alanli Ahmet , Acar Osman Kürşat
Published: July 2024

The institution of deputy minister in the Turkish Public Administration system was introduced in 2011 through Decree Law No. 643. Criticisms arose regarding the inadequacy of the deputy minister institution in certain areas. Moreover, Following the abolishment of the undersecretary institution, there are views that the void created have not been filled. This study, which aims to highlight the pros and cons of the Deputy Minister system, was conducted in collaboration with active and retired senior ministry bureaucrats who have experienced both the old and new eras. In this research, a qualitative research design, predominantly used in social sciences, was chosen. The necessary data for the research was collected through a semi-structured interview form consisting of specific questions. After the interviews, the obtained data were categorized into themes and subthemes using content analysis technique. Additionally, descriptive analysis technique was employed to include direct quotations from the interview forms. As a result of the research, four main themes were identified: "Qualities of the Deputy Minister Institution," "Qualities of the Undersecretary Institution," "Deputy Minister and Undersecretary Institutions in Terms of Institutional Sustainability," and "Recommendations for the Deputy Minister Institution." Through thematic analysis, participants emphasized that Deputy Ministers prioritizing political affairs was the most important quality, and they positively evaluated the acceleration of the decision-making process within the ministry organization. Mastery of business processes and personnel, as well as career advancement based on merit, were identified as the primary advantages of Undersecretaries over Deputy Ministers. In conclusion, participants stressed that it would be very challenging to maintain the Deputy Minister system in its current form and recommended the implementation of new regulations that incorporate the positive aspects of the Undersecretary system.
The Relationship of the Attitude to Cheating with Social Beliefs and the Supposed Attitude of Others in High School Students
Authors: Ulybina E.V. , Tokareva A.A.
Published: July 2024

Academic dishonesty is a widespread but dangerous phenomenon, as it forms tolerance for fraud in other areas, including through tolerance of the dishonesty of others. The article is devoted to the analysis of the correlation between the subjective assessment of the permissibility of academic dishonesty and belief in a competitive world (BCW), the supposed assessment of peers and adults among schoolchildren, loyal and not loyal to dishonesty. It is considered both the attitude towards cheating itself (active dishonesty), as well as the message about the dishonesty of others and the refusal to help in dishonesty (passive dishonesty). 507 people were recruited for the research, 296 of them girls, aged from 13 to 18 years, average age of 15,6 (±1,38), who completed the questionnaire online. The level of BCW was measured using the questionnaire "Scale of belief in a competitive world, short version" by J. Dakkit adapted by O.A. Gulevich and colleagues. To assess the permissibility of cheating, were used vignettes, which described dishonest behavior and judgments about this behavior. Participants were supposed to assess them on a Likert scale from 1 to 9. Each type of dishonesty (cheating itself, reporting cheating and refusing to help with cheating) was represented by 3 vignettes. The results showed that the assessments of the admissibility of certain aspects of cheating are not related to each other and have a different structure of links with the BCW and the intended assessment of others. The results confirm the data on the greater complexity of honesty compared to dishonesty. For the disloyal, the permissibility of cheating is associated with more factors than for the loyal. Active dishonesty in loyal people is associated with prevalence, in disloyal people – with BCW and the opinion of parents.
The Big Five Personality Traits as a moderator of the Relationship between Foreign Language Classroom Anxiety and Creative Personality
Authors: Erzhanova A.K.
Published: July 2024

Foreign language anxiety has received significant attention since many learners experience psychological barriers when learning a language. At the same time, numerous teaching methods aim to create a more efficient approach to language learning. Current research seeks to determine the influence of creative personality and the Big Five Personality Traits (BFPT) on Foreign Language Classroom Anxiety (FLCA). The respondents (N=452) aged between 16 and 45 (M=23,41, SD=7,22) received the Creative Personality Scale by Renzulli, the Ten Item Personality Inventory by Gosling, Rentfrow and Swann, and the Foreign Language Classroom Anxiety Scale by Horwitz evaluating test anxiety, communication apprehension, and fear of negative evaluation. We hypothesize that creative personality predicts FLCA components and the BFPT moderates the relationship between creative personality and FLCA. We found that creative personality significantly predicted FLCA We also found that agreeableness has a moderating effect on the relationship between creative personality and communication apprehension and creative personality and test anxiety, respectively. Based on the findings, we suggested that teachers should pay more attention to the learners’ individual differences. First, it is essential to implement creativity-nurturing methods of teaching more consciously. Second, online or offline teaching methods could decrease communication apprehension depending on the learners’ agreeableness.
The Specifics of Higher Mental Functions in Children with a Leading Left Hand
Authors: Shalina O.S. , Petukhova N.A. , Romanov D.B.
Published: July 2024

The article describes the study of higher mental functions in children of primary school age with a leading left hand. The materials of two empirical studies obtained on a sample of primary school students from two Moscow educational complexes are presented. The study #1 is longitudinal. It describes the dynamics of the formation of mental functions in left-handed children. The study #2 describes the specifics of spatial perception in left-handed children. The results of the study confirm the presence of the specifics of the development of mental functions in children with a leading left hand. Based on the results of the study, recommendations on working with left-handed children for specialists of the education system are proposed.
Impact of Training Prevention Program on Bullying and Prejudice among Adolescents Toward Ending Bullying Behavior: a Randomized Experimental Study
Authors: Khalil A.I. , Hantira N.Y. , Alshehri Y.A. , Alraee M.A. , Aljahdali L.M.
Published: July 2024

Background: Every child deserves to feel secure and has the right to be free of all forms of bullying. Bullying and prejudice should be opposed and resisted to put an end to this destructive behavior. The aim was to investigate the impact of a training prevention program on reducing bullying and prejudice among adolescents at a specific governmental school (103). Methods: The study employed a randomized experimental design, involving 155 middle-level students who were randomly assigned to either an experimental or a control group. Three assessment tools were utilized, including demographic information, the Bullying Amongst Diverse Populations (BADP) evaluation scale adapted from Ishiyama (2006), and the Basic Empathy Scale (BES) developed by Jolliffe and Farrington (2006). The validity and reliability of these tools were assessed, with reported scores of 83.5 for knowledge, 83.7 for skills, 87.8 for efficacy, 84.8 for intervention, and 7.8 for empathy scales. Results: The mean age of the experimental group was 13.52±1.024, while the control group had a mean age of 13.37±1.210. Significant differences were found between the experimental and control groups in the pre-and post-test assessments regarding knowledge, attitudes, affective and cognitive domains, as well as total empathy, with a significance level of P<0.05. However, no significant differences were observed in terms of witness communication skills and bullying intervention ability. Conclusion and recommendations: The study demonstrates the effectiveness of interventions aimed at reducing bullying and prejudice. It highlights the importance of providing training programs to vulnerable students in schools as a key component for success. Therefore, it is recommended to implement a comprehensive "No Bullying and Prejudice" policy across all schools and establish laws that address harmful behaviors to ensure the safety and well-being of children.
Development of Social Competence in Preschoolers with Different Levels of Executive Functions: Role Play and Project-Based Learning
Authors: Veraksa A.N. , Plotnikova V.A. , Ivenskaya P.R.
Published: July 2024

The research is aimed at clarifying and comparing the influence of role play and project-based learning on the development of social competence in older preschoolers. The paper presents the materials of the pilot phase of the study. 30 preschoolers aged 5-6 years (average age 5.8 years) participated in the experiment. At the pre-test children’s executive functions were assessed using NEPSY-II subtests and ther social competence was assessed using the SCBE-30 test, which includes the scales "Social Competence", "Anxiety-detachment", "Anger-aggression". Further, the participants were distributed to three experimental conditions so that in each group there were an equal number of preschoolers with low and high levels of executive functions according to cluster analysis. In each group 12 meetings were held in accordance with the developed programs: Free play, Research project, Creative project. After completing the programs children's social competence was tested similar to the initial diagnostics. The results showed that preschoolers with a low level of executive functions had a stronger decrease in social anxiety in a free role play than in the project activities. At the same time, children with a high level of executive functions showed a greater decrease of the social anxiety when participating in a research project. Role play and project-based learning equally influenced the development of social competence. The results clarify and expand the possibilities of using the described activities for the social competence development in kindergartens.
Exploring the Role of Self-Efficacy in Station Rotation: Enhancing Critical Thinking and Literacy Skills Among Primary Learners
Authors: Oktarianto L.M. , Hidayat A. , Gofur A. , Dasna I.W.
Published: July 2024

This study focused on examining how the Station Rotation model and self efficacy in their abilities affect their critical thinking and literacy skills in primary schools. The study engaged 217 students from 5 schools in Malang City, Indonesia. They were divided into an experimental cohort (n=105) and a control cohort (n=112), with ages ranging from 10 to 11 years. The research was facilitated online via Zoom Meeting: the experimental group was exposed to the Station Rotation model, while the control group underwent traditional teaching. The participants were chosen through cluster random sampling based on geographic locations. The study employed a quasi-experimental structure with both pre-test and post-test control group configurations. Instruments used included 30 self-efficacy queries, 5 critical thinking assessments, and 20 literacy evaluations. Reading scores from both the pre-test and post-test were further examined using the SMOG formula. The gathered data underwent manual multivariate examination using Hahs-Vaughn's formula. Key findings indicated: (1) the Station Rotation model significantly boosted students' critical thinking (sig = 0.000) and literacy abilities (sig = 0.000); (2) varying self-efficacy levels notably impacted learning results in critical thinking (sig = 0.044) and literacy (sig = 0.043); and (3) no discernible correlation existed between the teaching models and self-efficacy regarding critical thinking (sig = 0.715) and literacy abilities (sig = 0.219). This teaching methodology offers valuable insights for educators, highlighting its feasibility for full online application, particularly during challenging periods like pandemics where resources might be constrained.
PREREQUISITES FOR ADULT PROFESSIONAL DEVELOPMENT IN THE CONTEXT OF LIFELONG LEARNING
Authors: Hristoforova Viktorija , Pavītola Linda
Published: July 2024

The development of the world of technology implies the continuous improvement of adult knowledge and the acquisition of new knowledge. Today's rapid development of artificial intelligence and technology is replacing several professions where a robotic process replaces the human factor. To be competitive in the labor market, an employee needs to continuously improve his or her existing knowledge or even learn a new profession, while for a company to be active and up-to-date in its sector, it is necessary not only to develop technologically but also to educate its employees. The aim of the study: to explore the possibilities for improving the professional development and lifelong learning model based on the existing learning model in the institution - X. The basis for the study the employees of the institution X, who are in a continuous learning process, both in the context of professional development and lifelong learning. Research methods: theoretical literature review and empirical research method-survey. The research data show that the training model at the institution X is developed on the principle of non-formal education and corresponds to the main ideas of lifelong learning; the problematic issues are related to the high volume of work, which results in the respondents’ inability to fully participate in new in-service training courses and the content being repeated; also, no survey is conducted among the employees of the institution X before the training content is developed. On the other hand, a higher percentage of respondents join additional training courses offered and are positive about  the courses where participation is required. The survey data shows that staff members are familiar with the content of the mandatory training courses as well as with the additional training courses offered for both professional and personal development, where a higher percentage of respondents apply the knowledge acquired in their daily work.
CHESS PLAY AS A MEANS OF IMPROVING INCLUSIVENESS OF DISADVANTAGED GROUPS
Authors: Ahrens Andreas , Zascerinska Jelena , Bikova Anastasija , Aleksejeva Ludmila , Zascerinskis Mihails , Gukovica Olga , Abjalkiene Irina
Published: July 2024

Chess game as a means of the enhancement of inclusiveness of disadvantaged groups is attracting more and more attention from chess federations, social workers, youth trainers, etc. The aim of this work is to analyse scientific literature to establish conceptual and theoretical inter-connections between disadvantaged groups’ inclusion, chess game, and metacognition. The present work relates to exploratory research. The methodology of the analysis in the present work proceeds from exploration through analysis to the formulation of a new research question. The method of literature review was applied in this work. Theoretical literature review was carried out. Novelty of this research lies in the establishment of conceptual and theoretical links to chess play as a means of individual’s metacognitive development for his/her social inclusion. The conclusion is that there exist conceptual and theoretical inter-connections between disadvantaged groups’ inclusion, chess game, and metacognition. The conceptual links extended the range of analysed concepts to five and change their order: disadvantaged groups’ inclusion, rehabilitation, personality, metacognition, and chess game. The algorithm includes the logical and sequential steps based on the established theoretical links: 1)Playing chess enriches individual’s metacognition. 2)Improved individuals’ metacognition increases this individual’s inclusiveness. Directions of further research are proposed.
MANAGING PSYCHO-EMOTIONAL RISK FACTORS AND STRESS IN THE WORK ENVIRONMENT OF SOCIAL WORKERS
Authors: Vaivade Leila , Samuseviča Alīda
Published: July 2024

The publication highlights a topical and socially relevant issue in the professional reality of social workers - the dangers of psycho-emotional and psychosocial factors in the work environment and possible solutions to reduce them. The aim of the article is to identify and describe the psycho-emotional risk factors in the work environment of social workers, and to offer suggestions for reducing stress and improving job security in the practice of social work. The data for the study were obtained by analysing scientific literature and normative documents, as well as by interviewing 194 social workers from different regions of Latvia. The study identified psycho-emotional risk factors in the working environment of social workers: high professional demands, time-limited work and deadlines, increased responsibility and insufficient availability of personal protective equipment. The publication highlights recommendations, based on theory and practice, on the necessary measures to reduce stress and improve occupational safety of social workers in the provision of social services in Latvia.
SOVEREIGN SUSTAINABLE BOND MARKET – POSITIONING AND EFFECTS
Authors: Tsonkova Vanya
Published: July 2024

The sustainable bond market emerges in 2007-2008 but significantly impacts capital markets after 2015. It can be argued that one of the reasons for its development is due to the issuances from supranational financial institutions, governments, and other public sector organizations. This article focuses on sovereign bonds issued for sustainable development, covering four main themes: green bonds, social bonds, sustainability bonds, and sustainability-linked bonds. Using methods of descriptive statistics, analysis of variance and correlation-regression analysis, the article examines the position of sovereign bonds in the sustainable bond market and the achieved outcomes in the environmental and social spheres in issuing countries. The application of the methodology reveals an increasing share of sovereign bonds in the sustainable debt segment, along with a statistically significant relationship between thematic sovereign bond issues and the overall volume of thematic debt. Positive changes in the indices measuring the sustainable development of the countries suggest a policy of increasing the relative share of government securities with a thematic focus in the overall government debt market.
INVESTIGATION OF THE IMPACT OF COMPRESSED NATURAL GAS ON HEAT RELEASE RATE IN DUAL-FUEL OPERATION OF A D3900 DIESEL ENGINE AT MID LOADS
Authors: Tashev Atanasi , Dimitrov Evgeni
Published: July 2024

This article delves into the influence of Compressed Natural Gas (CNG) on the heat release rate of a D3900 diesel engine operating under a dual-fuel cycle, specifically at mid loads (45%). The study explores the effects of varying proportions of CNG in the total fuel supplied to the engine. Experimental investigations reveal a consistent reduction in heat release rate during dual-fuel operation, proportionate to the quantity of CNG introduced into the combustion process. Notably, the research identifies that the maximum heat release rate occurs at higher crankshaft angles. The article also contains information regarding the in-cylinder pressure and temperature when the engine operates in dual-file mode. These findings contribute valuable insights into the combustion characteristics of dual-fuel systems, shedding light on the interplay between CNG proportions and heat release dynamics in the D3900 diesel engine at mid loads.
CRITICAL REVIEW OF BULGARIAN LEGISLATION RELATED TO CIRCULAR ECONOMY
Authors: Goranova Sylvia , Anguelov Kiril
Published: July 2024

This article presents the results of a critical review of Bulgarian legislation in the field of circular economy. It also defines recommendations and guidelines on creating favourable conditions for transition from linear to circular models based on all life cycle stages of processes, products and services.
The main analysed policy document, directly addressing circular economy, is the Strategy and Action Plan for the transition to a circular economy of the Republic of Bulgaria for the period 2022-2027. It lays down the strategic framework towards achieving resource efficiency by applying waste management hierarchy, i.e. waste prevention, reuse and recovery through recycling, reducing landfilling and limiting harmful impact on the environment and human health.
The main pieces of legislation relevant to circular economy are the Waste Management Act and by-laws implementing Directive 2008/98/EC on waste (Waste Framework Directive), Directive 94/62/EC on packaging and packaging waste (Packaging Waste Directive), Directive 1999/31/EC on the landfill of waste (Landfill Directive), Directives 2000/53/EC on end-of-life vehicles, 2006/66/EC on batteries and accumulators and waste batteries and accumulators, and 2012/19/EC on waste electrical and electronic equipment, etc.
The review of provisions in the Waste Management Act and Local Taxes and Fees Act on implementing the ‘Waste Management Hierarchy’ and ‘Polluter Pays’ principles shows the need to promote economic incentives. Bulgarian municipalities should revise their ordinances and calculate local waste fees based on the quantity of waste generated (also requested by the current EC infringement procedure for failure to implement the ‘Polluter Pays’ principle at municipal level).
‘Eco design’ provisions are in place, and provisions protecting customers’ right to repair are expected. In addition to implementing EU acquis, it is possible to promote further measures to reduce environmental impact of products throughout their entire life cycle.
The critical review also overs the main documents tackling climate challenges, i.e., the Climate Change Mitigation Act and by-laws, and the National Strategy and Action Plan by 2030 for adaptation to climate change of the Republic of Bulgaria, defining the framework for actions for adaptation to climate change and priority directions.
The review of ‘horizontal’ environmental legislation of the Republic of Bulgaria, i.e., provisions of the Environmental Protection Act and by-laws on strategic environmental assessment (SEA), environmental impact assessment (EIA) and integrated pollution prevention and control (IPPC), reveals the potential to address circular economy aspects in the recommendations issued as part of the relevant competent authorities’ permits.
Other potential areas are the environmental protection standards and ESG (Environmental, Social, and Governance) as a framework for environmental and social impact. Last but not least, the review considers circular economy financing opportunities.
THE ESTIMATION OF SPATIAL GENETIC DIVERSITY OF VENDACE (COREGONUS ALBULA L.) POPULATIONS IN BALTIC LAKELAND
Authors: Oreha Jelena , Morozova Aleksandra , Kostousov Vladimir , Škute Nataļja
Published: July 2024

The vendace (Coregonus albula) is native widespread to lakes in northern Eurasia. In the Baltic Lakeland region, populations of local whitefish are the remnants of the Arctic freshwater faunal complex and often regarded as an example of a glacial relict and indicator species of the state of the lake ecosystem. Together with other whitefishes vendace belongs to economically valuable fish species.; The territory of the Baltic Lakeland region is located on the territory of three countries (Latvia, Lithuania and Belarus). The range of the vendace population is declining in waterbodies in Latvia and Belarus, the catch is insignificant and unstable, and this species is included in the list of specially protected fish species. However, in Lithuania this species is widespread and not protected.; The understanding fish population genetic diversity is very important for protection of rare communities and conservation of unique native populations. The estimation of the genetic structure of populations and determining the causes of genetic differentiation and the factors that promote variation between and within populations is fundamental for understanding adaptation and is, therefore, a primary goal of population and conservation genetics. Little is known about the genetic structure of vendace populations in waterbodies in Baltic Lakeland.; In this study eight microsatellite loci were used to investigate the genetic structure within and between populations in six vendace populations from Baltic Lakeland, namely Drivyaty, Rudakova, Strusto, Snudi, Naroch and Drūkšiai. Allelic variation was different in all investigated vendace populations; the observed and expected heterozygosity level was quite high. Bayesian-based STRUCTURE analysis suggested that there are two main genetic groups within our study area, separating Rudakova, Naroch and Strusto into one and others studied populations into the other cluster. These populations would be differentiated due to drift, reduced gene flow and possibly selection that promoting divergence. ; ;
ANALYSIS OF CAROTENOIDS IN SWEET POTATOES USING HPLC TO HELP COMBAT VITAMIN A DEFICIENCY
Authors: Dolchinkova Trayna
Published: July 2024

The fascinating and diverse family of organic compounds called carotenoids is widely found in plants, as well as some bacteria and algae. These natural pigments, with vibrant colours ranging from bright yellow to deep red and flamboyant red, attract attention for their importance in plant biology and their effect on human health. One of the most common vitamin deficiencies in the world is vitamin A deficiency.
The name carotenoids come from the vegetable carrot (carrot in Latin), where there are many well-known beta-carotenoids. These compounds are essential to biological processes beyond contributing to nature's variety of colours.
A deficiency, a persistent public health problem in many parts of the world. The precise quantification of carotenoids, in particular beta-carotene, makes it possible to evaluate the specific contribution of these sweet potatoes to the intake of vitamin A in the diet.
This study offers important data that could guide efforts to promote sweet potato consumption, particularly in regions where vitamin A deficiency is a concern. These tubers can be strategically included in diets to improve the availability of vitamin A, helping to mitigate the risks associated with this nutritional deficiency.
In sum, this HPLC analysis of carotenoids in sweet potatoes provides a solid basis for the promotion of these tubers as a dietary resource rich in provitamin A, thereby contributing to the fight against vitamin A deficiency and the promotion of health. in the communities concerned.
EXAMINATION OF THE VARIATION OF MTA POWER WHEN WORKING WITH OIL ANAMEGATORS
Authors: Kehayov Evgeni , Mitkov Ivan , Komitov Georgi
Published: July 2024

One of the main indicators of internal combustion engines, tractors and the machine-tractor unit as a whole it's the power. It can change in the process of operation and there comes a time when subsequent use is inadmissible or inexpedient. In such a state, it is appropriate to apply technology to improve this indicator and reduce the fuel or lubricant consumption.
The power parameter of an agricultural power machine is essential to achieve high productivity with low operating costs with minimal environmental pollution. The monitoring of changing the power is generally carried out by equipment unbearable and unnecessary for the farmer. The possibility for determining the power of the tractor fitted with the working machine by means of a standard brake performance device is a suitable option for monitoring the technical condition of the machinery. In this way, timely detection of defects and prevention of serious consequences for the engine.
Worldwide, various technological options have been developed to improve the power of engines without the need for their disassembly. One of these technological options is the fitting of anamegators (additives) in very small quantities to the engine lubricant oil.
In this article is made the experiments to evaluating of the variation of the power performance of a diesel tractor engine treated with anamegators as part of a machine-tractor unit. The acceleration and speed of the machine-tractor unit is recorded through a specialized device ENERGOTEST SM4. On this basis of the experimental results obtained, the driving force and power of the tractor from the machine-tractor unit has been determined by theoretical relationships.
ENVIRONMENTAL DATA AND DIGITAL TWINS FOR ROAD TRAFFIC SAFETY IN RURAL AREAS
Authors: Volkovičs Roberts , Bambāns Viesturs , Majore Ginta
Published: July 2024

In this article, the critical factors of the road traffic safety in rural areas are reviewed. The critical factors and related information from open data and environmental data are analysed and the meta model is created for processing of road traffic safety data in rural areas. Later on the basis of meta model the Digital Twin is created that could be used for an improvement of the traffic safety on the rural area roads in Latvia. An open data analysis is performed that concludes the opportunities to improve the potential of Latvian traffic accident open data.
CHERRY FRUITLET DETECTION USING YOLOV5 OR YOLOV8?
Authors: Apeinans Ilmars , Sondors Marks , Litavniece Lienīte , Kodors Sergejs , Zarembo Imants , Feldmane Daina
Published: July 2024

Agriculture 5.0 incorporates autonomous decision-making systems in order to make agriculture more productive. Our study is related to the development of the autonomous orchard monitoring system using unnamed aerial vehicles for automatic fruiting assessment and yield forecasting. Respectively, artificial intelligence must be developed to count fruits in an orchard. The modern solutions are mainly data-based. Therefore, we collected and annotated cherry dataset with natural images (CherryBBCH81) for neural network training. The goal of the experiment was to select the optimal “You Look Only Once” (YOLO) model for the rapid development of fruit detection. Our experiment showed that YOLOv5m provided better results for CherryBBCH81 – mean average precision (mAP) at 0.5 0.886 in comparison with YOLOv8m mAP@0.5 0.870. However, additional tests with dataset Pear640 showed that YOLOv8m can outperform YOLOv5m: 0.951 vs 0.943 (mAP@0.5).
TRANSFORMING HIGHER EDUCATION IN THE ERA OF ARTIFICIAL INTELLIGENCE CHAT TOOLS: CASE STUDY
Authors: Vindaca Olga , Abolina Anda , Danilane Liga
Published: July 2024

These days it’s hard to find someone who hasn’t heard of Artificial Intelligence (AI). It is a reality of today’s life. Although there are many questions – how to use it effectively, especially in higher education and research. Therefore, the question of AI Literacy becomes relevant, where the key aspects relate to knowledge, skills and psychosocial factors, including a positive attitude towards AI technology and tools. In order to conduct the corresponding transformation of teaching, learning and assessment from the perspective of higher education, the readiness to use AI tools on the example of AI Chat Tools by staff must first be determined. So, within the scope of ERASMUS+ project “DialogEduShift: Transforming Higher Education Teaching and Evaluation Approaches in the Era of AI Chat Tools” the survey was created for cross-country research, including the respondents from the following countries: Poland, Germany, Turkey, Ukraine, Latvia. A comparative analysis of the survey results was then conducted regarding the perspective of three respondent groups: experts in IT field, academician, and university administration. While some questions were specified and intended only for academician. This article reviews the insights and suggestions gathered during the survey by creating the list of guidelines for effective transformation of teaching and assessment in higher education institutions in the Era of AI Chat Tools. The aim of the article is to determine the AI Literacy of three groups of respondents: IT experts, academician, and university administration who use AI Chat Tools to increase the effectiveness of their work and to summarize the guidelines for updating and renewing teaching and evaluation approaches in higher education institutions by implementing AI Chat Tools. This research is valuable for improving AI Literacy of higher education staff.
THE IMPACT OF ONLINE SOCIAL COMMUNICATION ON THE TRAINING OF SOCIAL WORKERS AND EDUCATORS (UKRAINIAN UNIVERSITIES)
Authors: Davydiuk Maryna , Fushteі Oksana , Khilya Anna , Sarancha Irina
Published: July 2024

With the growing need to revise approaches to the educational process, educational institutions are increasingly turning to the digital opportunities and needs of the modern society. By closely monitoring the trends in the use of ICTs, engaging in various pilot projects for Ukraine to ensure digital literacy, develop digital competence, and use of Web 2.0 and VR social media, educational institutions are increasing their presence in the digital space of the Internet. From our point of view, this is a good basis for the declared changes in the educational paradigm at all levels of the educational process, including the training of specialists who will ensure the social, economic and cultural growth of the nation in the future. That is why it was important for us to study the theoretical database of scientific, research and pedagogical literature on the use of social media for education; compare the challenges mentioned in global trends in the use of social media and in Ukrainian practice; compare the presence and interaction of universities in social media with their value in the market of professional training of specialists, in particular, social and pedagogical profile. Based on the analysis of the above components, we have drawn conclusions about the challenges facing the Ukrainian higher education system, their root causes, and presented a number of tips and solutions that will allow universities to achieve not only a presence in the network, but also to be competitive both in the national environment and in the international arena.
FUZZY INFERENCE SYSTEM FOR INVESTMENT VALUE ASSESSMENT BASED ON HISTORICAL DATA
Authors: Slavyanov Krasimir
Published: July 2024

The analysis of financial parameters is of fundamental importance when planning one or another investment in shares of a given company. It is important for such an analysis to consider some basic numerical parameters such as: annual revenue growth for the last few years, gross, operating, and net profit margins, price/earnings ratio, current price, average annual price, and other historical data for analysis. In this research, an investment decision-making approach based on fuzzy logic is proposed, which evaluates various aspects of a given company's activity. Mamdani method and the fuzzy logic toolset in MATLAB were used. A set of fuzzy rules forms the basis of the investment evaluation system and determines the investment type recommendation, depending on the financial data provided. Simulation experiments with different inputs prove the correct approach and the adequate solutions that can be obtained. The precise set of input variables and well-thought-out logical rules can achieve a reduction in risks for specific investment intentions.