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The problem of the legality of the agreement of the deed of debt and credit agreement into buying and selling requires legal certainty so that no one is harmed. Normative legal certainty is when a regulation is made and promulgated with certainty because it regulates clearly and logically. Clear in the sense that it does not cause doubt (multi-interpretation) and logical in the sense that it becomes a system of norms with other norms so that it does not clash or cause norm conflicts. Norm conflict arising from rule uncertainty can take the form of norm contestation, norm reduction or norm distortion. This research approach is descriptive analytical which describes legal events that occur as they are and conveys these conditions according to theory and legislation. The research method used in the research is empirical juridical which analyzes the Bandung District Court Decision Number: 162/PDT.G/2021/PN.BDG regarding the Legality of the Deed of Sale and Purchase Agreement as Collateral for Debt and Credit Due to Legal Defects. The results of this study show that; AJB, which should be a proof of transfer of land rights in a real sale and purchase transaction, in this case is used to guarantee debt repayment. This is a deviation from the function of the AJB, which is legally unjustified because it contradicts the principle of halal causa (Articles 1335 and 1337 of the Civil Code). Therefore, the AJB made does not meet the elements of a valid causa, and therefore can be canceled or even null and void.

Most people do not know the legal basis for resolving traffic accidents that result in death through restorative justice (peaceful, family). Such a wrong public perception will cause great harm to the government's efforts to develop in the legal field, among other things, it can raise confusing questions. This study is a contribution of researchers' thoughts to participate in solving one of the legal problems that have long occurred in society. The research used is juridical-sociological or empirical research with a legal research approach. This research is an in-depth interview. The data collected are verbal and nonverbal. The conversation is recorded in a notebook or recorded with a tape recorder. The data is processed, analyzed and interpreted in a juridical-descriptive manner to explain or describe the data obtained by providing a logical interpretation and confirmed by the opinions of experts. The results of the study indicate that the causal factors or reasons for peaceful resolution or restorative justice of traffic accident cases resulting in fatalities at the Kupang City Police Resort are public legal awareness, public tendency to prioritize peace and family, and police discretionary authority. The practice of restorative justice resolution of traffic accident cases resulting in fatalities is carried out through the stages of the Approach Stage, Mediation Stage, Agreement Making Stage, Agreement Implementation Stage, and Completion and Case Closed Management.

Mathematics plays a crucial role in everyday life, as it enhances students' abilities to absorb lessons more effectively and develop rational, critical, logical, analytical, and systematic thinking. This study employs the literature review method, which involves gathering relevant information from various sources to support the research topic. The author collects references from articles and journals using Google Scholar, an open-access database that simplifies the process of locating topic-specific materials. Difficulties faced by students in learning mathematics are not always due to a lack of mathematical knowledge. They may stem from other issues such as memory problems, difficulty in recalling mathematical problems, weak calculation skills, confusion with operational signs, or reversing numbers. Students with learning disabilities may particularly struggle with both mathematical reasoning and basic computation. Furthermore, mathematical learning difficulties are also associated with cognitive challenges, such as solving complex word problems and understanding numerical concepts. These learning difficulties often result from internal and external factors that hinder the brain’s ability to process, analyze, and retain mathematical information effectively.

The rapid development of e-commerce in Indonesia has a significant impact on the growth of the digital economy, but also presents major challenges related to environmental sustainability. This study aims to evaluate the environmental impacts caused by e-commerce activities, especially in terms of increasing plastic waste from single-use packaging, carbon emissions in logistics activities, and energy consumption from data centers. Through a literature study and descriptive analysis approach, this study highlights the large contribution of the e-commerce sector to the volume of domestic waste and the need for effective mitigation strategies. In addition to identifying existing challenges, this study also explores various sustainable practices, such as the use of environmentally friendly packaging, consumer education, and the development of low-emission logistics systems. The results of the study indicate that sustainability in e-commerce can only be achieved through collaboration between the government, business actors, and the community. Strict regulations, technological innovation, and increased consumer awareness are needed so that e-commerce can develop in line with the principles of environmental sustainability.    

This study aims to analyze the abilities and challenges of grade IV elementary school students in writing argumentative sentences. The research was conducted with a qualitative approach of case study methods on ten students in one of the public elementary schools in Jambi City. Data were obtained through an argumentative sentence writing test and analyzed using the Miles and Huberman model which includes data reduction, data presentation, and verification. The results of the study show that students' ability to write argumentative sentences still varies. Most of the students have been able to convey their opinions in a concise and relevant manner, but there are still obstacles in the mechanical aspects of writing such as the use of spelling, punctuation, and sentence structure. These findings show the need for a learning strategy that can develop argumentative writing skills systematically and logically. Toulmin's pattern-based approach and collaborative learning models such as Group Investigation are recommended to improve students' overall argumentative writing skills from the elementary school level.

This study aims to analyze the abilities and challenges of grade IV elementary school students in writing argumentative sentences. The research was conducted with a qualitative approach of case study methods on ten students in one of the public elementary schools in Jambi City. Data were obtained through an argumentative sentence writing test and analyzed using the Miles and Huberman model which includes data reduction, data presentation, and verification. The results of the study show that students' ability to write argumentative sentences still varies. Most of the students have been able to convey their opinions in a concise and relevant manner, but there are still obstacles in the mechanical aspects of writing such as the use of spelling, punctuation, and sentence structure. These findings show the need for a learning strategy that can develop argumentative writing skills systematically and logically. Toulmin's pattern-based approach and collaborative learning models such as Group Investigation are recommended to improve students' overall argumentative writing skills from the elementary school level.

This study aims to analyze the effect of port integration of PT Berlian Manyar Sejahtera with JIIPE Industrial Estate on logistics distribution efficiency. The background is the existence of distribution costs in Indonesia, which are relatively expensive. The integration of ports with industrial estates and other factors could cut distribution costs. The purpose of this research is to find out how many percent of the influence of proximity distance for distribution costs and also the time in the distribution process. In this research, a quantitative methods is used which is assisted by a software, namely SPSS version 27. Data collection techniques were carried out by interviews, documentation, and literature study. The data used includes the distance from the port to the warehouse receiving goods, distribution rates, and the length of time in the loading and unloading process. The results of the analysis show that there is an influence between distance, costs, and tariffs in the distribution process. And how this integration is significantly beneficial for service users

This study aims to examine the role of play in supporting cognitive, language, and mathematical development in early childhood. Play, often considered a recreational activity, has a significant impact on developing various essential skills in children. This research uses a qualitative approach with a literature review, analyzing various sources regarding the effects of different types of play, such as role play, constructive play, and social cognitive play, on children's development. The main findings show that role play enhances language competence, while constructive play and social cognitive play contribute to the development of children's mathematical and logical skills. This study emphasizes that various types of play can enrich children's learning experiences, supporting their cognitive and social development. The results of this study affirm that play is crucial for the cognitive, language, and mathematical development of young children. Various types of play, such as constructive (puzzle building), social cognitive (cooperation), and role play (pretend play), significantly support children's thinking, learning, motor, social, and language skills.

This study explores the psychosocial determinants influencing postpartum contraception selection through a comprehensive approach. A cross-sectional study was conducted on 120 respondents in Bogor Regency, using purposive sampling via Google Forms. Research instruments included the Knowledge Questionnaire on Postpartum Contraception (KQPC) and Multidimensional Health Locus of Control (MHLC) to analyze factors influencing contraception decisions. Research findings demonstrate that knowledge levels, locus of control, economic status, and education significantly impact contraception method selection. Respondents with high knowledge were more likely to choose modern contraception methods (78.3%), while those with low knowledge preferred traditional methods (45.8%). Logistic regression analysis revealed that contraception knowledge contributed most significantly with an odds ratio of 2.512. The study emphasizes the need for personalized approaches in contraception counseling, considering biological, psychological, social, and economic factors. Key recommendations include developing comprehensive educational programs, professional health training, and designing reproductive health policies responsive to individual needs.  

This research analyzes user sentiment reviews of the KAI Access application from Google Play Store to improve customer service at PT Kereta Api Indonesia. The study uses a Natural Language Processing (NLP) approach with the Latent Dirichlet Allocation (LDA) algorithm to extract main topics from 10,000 reviews collected from April 2024 to April 2025. Analysis results show 40.7% positive sentiment reviews and 49.3% negative. After data preprocessing through case folding, normalization, tokenization, stopword removal, and stemming, seven optimum topics were found from negative sentiment with a coherence score of 0.508343 and two optimum topics from positive sentiment with a coherence score of 0.511673. Analysis based on five service quality dimensions (tangibles, reliability, responsiveness, assurance, and empathy) reveals that the reliability dimension becomes the main issue, including system instability, transaction failures, login difficulties, and data inaccuracy. The responsiveness dimension is the second priority, with users expecting fast and responsive service to complaints. The results of this study provide recommendations for PT KAI to prioritize improvements in system reliability and responsiveness aspects to enhance the overall user experience, which will ultimately impact customer satisfaction and loyalty.    

Stunting is a condition of growth failure in toddlers due to chronic malnutrition that occurs over a long period of time, especially in the first 1,000 days of life. Several major risk factors for stunting that are often found in Posyandu include the nutritional status of pregnant women, parenting patterns, exclusive breastfeeding, and environmental sanitation. To analyze the Identification of Risk Factors for Stunting in Toddlers: A Study in the Working Area of ​​the Aek Godang Health Center, North Padang Lawas. The type of observational study with a cross-sectional design, the study population was 139 people. This study used samples from all mothers who had stunted toddlers in Hulu Sihapas District, North Padang Lawas Regency, with the total sampling method. Data collection used a research questionnaire. Data were analyzed univariately, bivariate (chi-square), and multivariate (logistic regression) with the enter method. Newborn weight (p = 0.001) and healthy toilets (p = 0.001) significantly influenced the risk of stunting, with low birth weight and poor sanitation increasing the risk of growth disorders in toddlers. This study shows that newborn weight (p = 0.001) and healthy toilets (p = 0.001) have a significant effect on the risk of stunting in toddlers. Babies with low birth weight and environments with poor sanitation increase the likelihood of stunting. More attention is needed to monitor newborn weight and increase access to healthy latrines to reduce the prevalence of stunting. The government and health workers are expected to strengthen nutrition and sanitation programs at the community level. 

This study aims to identify the optimal model in the integration of philosophical disciplines in the structure of the educational program of “Public Administration” students, as well as explore the features of the management of educational strategies suitable for the training of civil servants. The main focus of this research is: 1) academic management strategies to overcome curriculum overlap due to the dominance of philosophical disciplines in public administration study programs; 2) adaptation of educational programs for public administration students to be in line with the needs of the world of work, both at national and international levels; 3) characteristics of internationalization of public administration education programs, especially in the context of academic mobility and adaptation of the Indonesian public administration system to global standards. This research uses the cultural-historical analysis approach, comparative method, structural-functional method, and expert evaluation to explore and analyze problems and develop solutions. The research findings show that the dominance of traditional philosophy courses in the curriculum is often ineffective in shaping the competencies needed in the world of work. The research identified three main challenges: saturation of the curriculum with theoretical courses, lack of connection between the curriculum and the practical needs of the working world, and low use of English in teaching key courses. To address these issues, this research proposes restructuring the curriculum through the integration of three disciplinary groups: applied logic, cultural studies, and applied political science. In addition, the implementation of a contextualized bilingual learning model is also considered as a solution to improve the relevance of the curriculum. The uniqueness of this article lies in its approach that combines philosophical studies with managerial strategies in curriculum design, complemented by empirical experiences from international and cross-institutional cooperation. This article offers a reinterpretation of the utilization of philosophy as a tool for the development of professional competence in public administration education, not just as an abstract worldview.

This study aims to examine how interactive number puzzle media can improve logical mathematical intelligence in early childhood. Using a literature review method, this study analyzed various scientific publications related to interactive media, number puzzles, and the development of logical mathematical intelligence. The results of the study indicate that logical mathematical intelligence, which includes the ability to count, understand patterns, and think systematically, can be optimized during the golden age (0-6 years) through the use of interactive number puzzles. This media provides a fun learning experience according to the principle of learning while playing, developing not only the ability to count but also the ability to think logically, understand patterns, categorize, and solve problems. Although effective, the use of this interactive media requires parental supervision and the ability of educators to operate the media properly. It can be concluded that interactive number puzzles are an effective learning strategy to foster logical mathematical intelligence in early childhood.

This study aims to analyze the optimization of the role of Dandim 1301/Sangihe in handling the eruption of Mount Ruang as part of the implementation of the Indonesian Army’s (TNI AD) main duties in the field of Military Operations Other Than War (OMSP). The research was conducted in Sitaro Regency, North Sulawesi, using a qualitative approach with purposive sampling techniques. The informants consisted of personnel from Kodim 1301/Sangihe, BPBD staff, and community leaders. Data was collected through interviews, observations, and documentary studies. The results show that the role of Dandim is crucial in coordinating and mobilizing disaster response, but there are still challenges such as limited personnel, logistics, equipment, and weak inter-institutional coordination. The study concludes that optimization can be achieved through the development of a disaster risk map, strengthening inter-institutional collaboration, utilizing technology (drones), and conducting routine disaster training and simulations. These measures are expected to improve the effectiveness and speed of response in facing volcanic eruptions.

This study aims to provide empirical evidence regarding the effect of accounting complexity on delay in submitting interim financial report in consumer cyclicals sector companies listed on the Indonesia Stock Exchange for the period 2022-2024. Accounting complexity in this study is measured by the number of business segments, the number of subsidiaries and acquisitions. The population used in this study were companies that received sanctions in the form of the first warning letter in the first quarter of 2024. Approach used is a quantitative approach with logistic regression analysis as a data analysis method because this method is suitable for research that has a dependent variable with dummy variables. Determination of the research sample using purposive sampling which resulted in a sample of 153 companies. This study provides evidence that the number of business segments and acquisitions has No. influence on the delay in submitting interimfinancial reports. While the number of subsidiaries has a significant positive effect on the delay in submitting interim finansial reports.

This study aims to improve mathematics learning outcomes on probability material through the application of rotating wheel media in class 6A UPT SDN Kutorejo 1. Probability material is considered difficult by students because it is abstract and requires logical thinking skills. This study uses the PTK method with two cycles involving 29 students. Each cycle consists of planning, action, observation, and reflection. The rotating wheel media used is in the form of a circle that can be rotated and contains pictures of typical Tuban souvenirs as objects of probability that students must calculate in groups and independently. The results of the study showed a significant increase in student learning outcomes, marked by an increase in the average score from pretest to posttest in each cycle. In addition, the rotating wheel media also increased student learning motivation and active involvement in learning. PjBL approach combined with this media makes learning more interactive, and fun. In conclusion, the use of rotating wheel media is effective in helping students understand the concept of probability, improving learning outcomes, and overcoming abstract mathematics learning difficulties. The recommendation of this study is the use of rotating wheel media as an alternative innovation in mathematics learning in elementary schools.

As an integral part of Tanjung Perak Port, Kalimas Terminal holds a strategically important position in supporting Indonesia’s national export and import activities. Its vital role makes it one of the key logistics hubs in the country. During its operations, the generation of hazardous and toxic (B3) waste is unavoidable, requiring swift and proper handling to prevent environmental degradation and protect public health. This study aims to assess the level of compliance in B3 waste management at Kalimas Terminal, Tanjung Perak. The research focuses on evaluating key aspects such as the identification, collection, storage, and transportation of B3 waste, along with the completeness of related documentation, in accordance with applicable environmental regulations. By examining the current waste management practices in place, this study also seeks to formulate strategic recommendations to enhance the effectiveness and sustainability of B3 waste handling in the future.

Writing skills according to experts in learning Indonesian are placed at the highest level of learning in the language acquisition process. One form of text that is important to learn in schools for writing skills is explanatory text. Explanatory text is a text that explains the process of a natural, social or cultural phenomenon logically and systematically. . Writing is one of the language skills that must be mastered by students. . However, in reality, there are still many students who have difficulty in understanding and writing explanatory texts. This study aims to analyze students' understanding of explanatory texts and students' abilities in writing explanatory texts in learning Indonesian in grade VI of elementary school. the number of samples in this study was 5 grade VI students. In this study, the researcher used a qualitative descriptive method. the results of this study indicate that students' understanding of writing explanatory texts is still low.    

Mathematics is often referred to as a field of knowledge developed through logical reasoning and is considered essential in everyday life, particularly in problem-solving. One effective way to apply problem-solving skills in mathematics education is through the use of word problems. This study aims to explore and analyze the various obstacles students encounter when solving mathematical word problems. The research employs a descriptive qualitative approach, with data collection methods including tests, interviews, and a project involving the construction of a staircase using standard units of length. The subjects of the study were four third-grade elementary school students in Batusangkar who had previously studied standard units of length. The findings reveal that students faced a range of difficulties, such as challenges in understanding the problems, failure to organize solution steps systematically, and limited comprehension of the concept of standard measurement units. Additionally, a lack of interest in learning was found to negatively impact students’ ability to solve word problems. Therefore, conceptual understanding and increased motivation to learn are crucial factors in enhancing students’ mathematical problem-solving abilities.

Mathematics is often referred to as a field of knowledge developed through logical reasoning and is considered essential in everyday life, particularly in problem-solving. One effective way to apply problem-solving skills in mathematics education is through the use of word problems. This study aims to explore and analyze the various obstacles students encounter when solving mathematical word problems. The research employs a descriptive qualitative approach, with data collection methods including tests, interviews, and a project involving the construction of a staircase using standard units of length. The subjects of the study were four third-grade elementary school students in Batusangkar who had previously studied standard units of length. The findings reveal that students faced a range of difficulties, such as challenges in understanding the problems, failure to organize solution steps systematically, and limited comprehension of the concept of standard measurement units. Additionally, a lack of interest in learning was found to negatively impact students’ ability to solve word problems. Therefore, conceptual understanding and increased motivation to learn are crucial factors in enhancing students’ mathematical problem-solving abilities.