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This study was motivated by the low learning outcomes of students in Social Studies, particularly on natural disaster material in Grade IV of SDI Halibenaus. The purpose of this research was to describe the implementation of the Active Learning model in improving students’ learning outcomes. This study employed a qualitative approach using Classroom Action Research (CAR) conducted in two cycles, each consisting of planning, action, observation, and reflection stages. The research subjects were 17 fourth-grade students consisting of 10 boys and 7 girls. Data collection techniques included observation, tests, and documentation, while data analysis was carried out through data reduction, data display, and conclusion drawing. The results indicated an improvement in students’ learning outcomes in each cycle. The average score in Cycle I was 64.35% with a mastery level of 35.29%, which increased in Cycle II to 83.17% with a mastery level of 82.35%. Based on these findings, it can be concluded that the implementation of the Active Learning model is effective in improving students’ learning outcomes in Social Studies on natural disaster material for fourth-grade students at SDI Halibenaus.

Donorojo Village, Pacitan Regency, East Java, has significant agricultural potential, particularly in spice commodities. However, the utilization of spices by local farmers remains limited to the sale of raw materials in traditional markets at relatively low prices and with restricted market reach. In fact, spices have high economic value and strong potential to be developed into value-added products, such as herbal beverages. This community service activity aimed to enhance the knowledge and skills of the PKK women’s group in Donorojo Village in processing spice-based “biofarmaka” as an effort to empower the local economy and strengthen the spice value chain. The methods employed included lectures, demonstrations, and hands-on practice, conducted over five days at the Donorojo Village Hall and involving 20 participants. The products generated from this activity included “jahe gajah beverage”, “instan jahe merah”, “instan beras kencur”, and “instan kunir asem”. The results indicated an improvement in participants  understanding of the health benefits of spices, hygienic processing stages, and their ability to produce instant herbal beverage products. Furthermore, this activity has the potential to strengthen linkages between spice farmers as raw material suppliers and the PKK group as processing actors. The development of spice-based “biofarmaka” provides economic value addition, expands market opportunities, and encourages the growth of rural entrepreneurship. Therefore, spice-based “biofarmaka” processing training can serve as a strategy for rural agro-industry development that supports the improvement of economic stability in Donorojo Village.

The community service program conducted by students during the Field Work Practice (PKL) at TPQ Nurul Huda, Riam Mengelai Village, is implemented as a tangible contribution to student guidance, focusing on enhancing religious competence, discipline, and worship skills. This program was motivated by the need to improve the quality of religious education systematically and according to the skill level of each student, making learning more effective and targeted. The objective of this service is to optimize student guidance by improving Quran reading skills, daily prayer memorization, moral development, and active participation in religious activities according to each class’s ability. The implementation method includes initial observation, planning a guidance program based on skill levels, direct teaching and learning, individual and group mentoring, and periodic evaluation. Students are divided into four classes according to their ability: Class 1 for students at IQRA’ levels 1 and 2, Class 2 for IQRA’ 3 and 4, Class 3 for IQRA’ 5 and 6, and Class 4 for students who can read the Quran fluently. Each class receives materials tailored to their level, ranging from introduction to Arabic letters, Quran reading, daily prayer memorization, to moral development and worship practices. This class-based guidance approach allows PKL students to provide focused attention, ensuring optimal learning outcomes. The results show significant improvements in students’ discipline, learning motivation, Quran reading skills, prayer memorization, and moral understanding. Class-based guidance according to skill levels provides each child with an appropriate learning experience, enabling maximal development. PKL students gain practical experience in early childhood religious education, lesson development, and classroom management. This program is expected to serve as a systematic, effective, and sustainable model for student guidance at TPQ Nurul Huda.

Financial literacy plays a vital role in enhancing family well-being, particularly in the management of household income and expenditures. As the primary managers of household finances, homemakers need to possess a sound understanding of prudent financial management. This educational program was designed to provide and enhance financial literacy for homemakers who are members of the PKK organization in Mijen Village, Kebonagung District, Demak Regency. The implementation methods included the delivery of financial literacy materials accompanied by relevant examples, interactive discussions and question-and-answer sessions, as well as the provision of financial strategy recommendations aimed at achieving household financial well-being. The results of the program indicate that the core materials can be categorized into financial literacy enhancement, effective financial management, and investment (saving). The majority of participants allocate approximately 70% to 80% of their income to routine expenditures, while the remaining portion is used for non-routine needs and investments or savings.

Health services in Indonesia are no longer positioned solely as social services but have also developed into business activities managed professionally. This development gives rise to legal consequences that necessitate the regulation of health business law in order to ensure the quality of health services and to protect patients’ rights as consumers of health services. This study aims to analyze the role of health business law as an instrument in ensuring the quality of health services in Indonesia, particularly following the enactment of Law Number 17 of 2023 concerning Health. The research method employed is normative legal research using a statutory approach and a conceptual approach. Primary legal materials include Law Number 17 of 2023 concerning Health, Law Number 44 of 2009 concerning Hospitals, and Law Number 8 of 1999 concerning Consumer Protection. Secondary legal materials are obtained from textbooks and scientific journals relevant to business law and health law. The results of the study indicate that health business law plays a strategic role in controlling health service business practices through the regulation of licensing, service quality standards, patient safety, legal liability of business actors, and consumer protection mechanisms. The consistent and equitable implementation of health business law is able to ensure the quality of health services without disregarding humanitarian values, professional ethics in health services, and the objectives of national health development.

Financial literacy is an important skill that needs to be introduced from an early age so that children can understand the value of money and manage it wisely. This activity aims to improve basic financial literacy among children at LKSA Santa Anna Bojonegoro through a participatory educational approach. The implementation method included pre tests, interactive material delivery, discussions, and simple case studies on priority scales and budgeting. Of the 37 participants, 20 children aged 8–18 were sampled. The pre-test results showed an average understanding of basic financial literacy concepts of 73.6%. After the activity, there was an increase in understanding, indicated by the participants' ability to differentiate needs from wants, develop spending plans, and foster savings awareness. The facilitator also found that the main issue among participants was self-control over consumptive behavior, which was addressed through reflective exercises and the implementation of strategies for delaying purchasing decisions. This activity was well-received and proven effective in fostering a rational mindset regarding pocket money management. Overall, this socialization of basic financial literacy can be the first step in developing responsible financial habits from an early age.

The interactive learning video innovation "Human Blood Circulation" through Edpuzzle, with embedded questions, is designed to address the difficulties faced by fifth-grade elementary school students in understanding abstract biological concepts. Science education in elementary schools often encounters challenges in explaining invisible processes, such as the heart's working mechanism and blood circulation, leading students to struggle with comprehension or merely memorize the material. Conventional learning videos tend to make students passive, necessitating media that can transform the learning process into an active one. Edpuzzle, as an educational platform, allows teachers to insert questions at critical points in the video, requiring students to answer before continuing to watch. This innovation aligns with the cognitive development stage of fifth-grade students, who are in the concrete operational stage.The research objectives include product development, validity and feasibility testing, analysis of conceptual understanding improvement, influence on focus and learning independence, and student responses. Media development refers to Mayer's cognitive theory of multimedia and the characteristics of interactive videos according to Heinich et al. Additionally, media development models such as ADDIE and Dick and Carey are discussed. The main benefits of using Edpuzzle include increasing engagement, facilitating real-time formative assessment, and enhancing learning motivation. However, challenges exist such as technology access, teacher readiness, the risk of technology dependency, and long-term evaluation. The practical implications can support digital learning and the transformation of elementary science education.

Population growth and changing consumption patterns have led to a continuous increase in waste generation, with household organic waste being the dominant component in Bantul Regency. Low levels of public knowledge and awareness regarding waste management are also contributing factors. One environmentally friendly alternative for organic waste management is the use of Black Soldier Fly (BSF) larvae, which have high bioconversion capabilities. This community service activity aims to increase the knowledge of housewives in managing household organic waste using BSF maggots. The activity was carried out in RT 01, Mojosari Hamlet, Baturetno Village, Banguntapan District, Bantul Regency, involving 20 participants. The implementation method included a site survey, material delivery, an introduction to the life cycle and benefits of BSF maggots, an explanation of waste sorting, maggot feeding, and post-activity observations. However, limitations in maggot maintenance techniques persisted, requiring ongoing mentoring. This activity contributes to reducing waste generation at its source and supports sustainable household waste management based on community participation.

This study aims to develop Student Worksheets (LKPD) incorporating the traditional serok kuali game on multiplication material for third-grade students at SDN Deket Wetan Lamongan and to determine their validity, effectiveness, and practicality. The research method employed was Research and Development (R&D) using the ADDIE model, which consists of the analysis, design, development, implementation, and evaluation stages. The research subjects included two expert validators, namely a media expert and a subject-matter expert, as well as 15 third-grade students at SDN Deket Wetan Lamongan. Data were collected using expert validation questionnaires, conceptual understanding tests (pretest and posttest), and student response questionnaires. The results showed that the developed LKPD demonstrated a very high level of validity, with a score of 97.5% from the media expert and 95.55% from the subject-matter expert. The effectiveness test indicated an improvement in students’ learning outcomes, with an N-Gain score of 0.803 (80.3%), which falls into the effective category. In addition, students’ responses to the use of the LKPD reached a percentage of 95.6%, categorized as very good. Based on these findings, it can be concluded that the LKPD incorporating the traditional serok kuali game is feasible, effective, and practical for use as instructional material to enhance third-grade elementary school students’ understanding of multiplication concepts.

The purpose of this study is to develop a mathematics e-module based on the tourism potential of Pasuruan City material of flat-sided solid shapes. This research is motivated by the use of teaching materials by teachers is still manual, not in digital form that integrates local tourism potential. The type of research is R&D (Research and Development) with the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). The results of the study show that the mathematics e-module based on the tourism potential of Pasuruan City material of flat-sided solid shapes has gone through a model development process. The validation results show that the percentage of experts with an average of 93.6% is in the very valid category. The application of the mathematics e-module received a positive response with a percentage of 88.5% on a small scale and on a large scale showing 89.2% in the very practical category. The posttest showed a percentage on a small scale of 83%, while on a large scale it reached 80% which is categorized as effective. Conclusion, the development of a mathematics e-module based on the tourism potential of Pasuruan City material of flat-sided solid shapes is declared valid, practical and effective.

Population growth and changing consumption patterns have led to a continuous increase in waste generation, with household organic waste being the dominant component in Bantul Regency. Low levels of public knowledge and awareness regarding waste management are also contributing factors. One environmentally friendly alternative for organic waste management is the use of Black Soldier Fly (BSF) larvae, which have high bioconversion capabilities. This community service activity aims to increase the knowledge of housewives in managing household organic waste using BSF maggots. The activity was carried out in RT 01, Mojosari Hamlet, Baturetno Village, Banguntapan District, Bantul Regency, involving 20 participants. The implementation method included a site survey, material delivery, an introduction to the life cycle and benefits of BSF maggots, an explanation of waste sorting, maggot feeding, and post-activity observations. However, limitations in maggot maintenance techniques persisted, requiring ongoing mentoring. This activity contributes to reducing waste generation at its source and supports sustainable household waste management based on community participation.

This study aims to analyze the effect of implementing the Realistic Mathematics Education (RME) learning model on improving students' mathematical literacy, particularly in social arithmetic material at SMP Negeri 2 Wonorejo. The research used a quantitative method with a quasi-experimental design in the form of a non-equivalent control group design. The population consisted of seventh-grade students from three classes, samples selected through purposive sampling based on preliminary test results: class VII B as the control group and class VII C as the experimental group. Research instruments included a validated observation sheet on student activities and an essay-type mathematical literacy test. Data analysis was conducted using normality tests, homogeneity tests, independent t-tests, and effect size calculation. The results indicated that student activities in the RME learning model were categorized as excellent. Hypothesis testing with an independent t-test yielded tcalculated = 2.81 > ttable = 1.56. The average post-test score of the experimental group (73.00) was higher than that of the control group (50.41). The effect size calculation resulted in d = 1.75, which falls into the large effect category. Thus, it can be concluded that the RME learning model has a positive and significant influence on improving students' mathematical literacy.

The shoe manufacturing industry demands a planned, integrated, and consistent production system in maintaining product quality. One of the crucial stages is the gluing process between the outsole (rubber) and the midsole (phylon), which determines the adhesive strength, comfort, and durability of the shoe. This study aims to analyze the implementation of internship activities in a series of gluing processes in the Stockfit Department of PT X. The research method uses a qualitative descriptive approach with data collection techniques through direct observation, involvement in production activities, and systematic field recording during the internship period. The analysis was carried out by linking the field findings with the operations management theory of Heizer and Render, the Crosby concept of quality management, and the principles of continuous improvement from Deming and Imai. The results of the study show that the gluing process has been systematically arranged, starting from material adjustment, primary application, the use of two types of glue, the rubber cutting process, to the final pasting. However, problems were found such as dependency between processes, inconsistency in glue thickness, as well as the influence of machine conditions and operator skills. These problems have the potential to reduce production efficiency and the quality of the final product. Therefore, it is necessary to strengthen process control and apply the principle of continuous improvement to improve overall production performance.

Plastic waste has become one of the main environmental problems due to its nature, which is difficult to decompose naturally and can cause environmental pollution. One alternative waste treatment method that can be applied is to use a plastic melter to melt and recycle plastic waste into useful products. However, the design of plastic melters often lacks consideration of structural strength and safety aspects during the operation process. This study aims to design and engineer a plastic melter using the Finite Element Analysis (FEA) simulation approach to analyze structural resistance to thermal and mechanical loads that occur during the operation process. The research method was carried out through 3D design modeling of plastic melter components using Solidworks software, followed by analysis with FEA simulation on the main component, namely the melting tube. The parameters analyzed include the distribution of von Mises stress, the amount of displacement, and the safety factor. The analysis results show that the analyzed components experience von Mises stress distribution and displacement that are still below the material tolerance limits, with safety factor values above the recommended safety limits. Thus, the resulting plastic melter design is declared safe and can proceed to the manufacturing process. Therefore, the plastic melter design is safe, strong, and feasible to be realized as an effective and sustainable plastic waste processing technology solution.

The extruder-type floating pellet machine is a form of appropriate technology that works by using a screw system to push the raw material while applying pressure to form dense pellets. The main source of raw material for making these pellets comes from trash fish, which are small fish caught by fishermen that are unfit for consumption and have low economic value. Trash fish are relatively cheap because they are classified as non-economical, but they have great potential for use as fish feed. Their distinctive strong aroma can stimulate fish appetite, while their relatively high protein content makes them an ideal source of nutrition. Before use, the trash fish are first dried and then ground using a flour machine to achieve a fine texture. The floured material is then mixed and the moisture content is adjusted to around 42%, so that the extrusion process can run optimally when using the extruder-type pellet machine. The material formulation consists of 70% trash fish meal, 15% corn meal, and 15% wheat flour. The resulting pellets are then tested in a feed laboratory and show protein levels ranging from 30-40%, depending on the quality of the trash fish raw material used. This community service activity involves fish farmer groups in the Beji area, East Ungaran District, which is expected to increase fish farmer insight on how to make floating pellets using an extruder type pellet printing machine.

Learning geometric transformations requires a strong conceptual understanding due to their abstract nature. One effort to enhance students’ conceptual understanding of mathematics is through the development of contextual and meaningful instructional materials that incorporate local culture. This study is a research and development (R&D) study employing the 4D model (Define, Design, Develop, and Disseminate) aimed at examining the validity of the developed Student Worksheets. The validation of the Student Worksheets was conducted by two experts in mathematics education who evaluated the aspects of content feasibility, media, and language and readability. The data were analyzed using descriptive quantitative methods with percentage scores to determine the level of validity of the Student Worksheets. The results showed that the developed Student Worksheets obtained a validity percentage of 93.75% for the content feasibility aspect (very valid), 80.77% for the media aspect (valid), and 87.50% for the language and readability aspect (very valid), with an overall average of 87.34%, which falls into the very valid category. Based on these results, the ethnomathematics-based Student Worksheets using the Kepahiang Traditional House context are considered feasible for use as supporting instructional materials in learning geometric transformations.

Corruption is a serious problem that leads to declining public trust, weakened governance, and hindered national development. Beyond economic losses, corruption also erodes moral values, ethics, and social justice within society. Therefore, corruption prevention efforts must be carried out systematically and sustainably, one of which is through the internalization of anti-corruption values at an early stage, particularly among students as future generations. This community service activity aimed to instill values of integrity, honesty, responsibility, and public ethics among students through the Anti-Corruption Generation Interactive Seminar, conducted in commemoration of International Anti-Corruption Day 2025. The activity involved approximately 150 junior and senior high school students in Makassar. The method employed was an interactive seminar implemented through material presentations and discussions between speakers and participants. The seminar materials emphasized an understanding of the dangers of corruption, its impacts on national and social life, and the strategic role of students in fostering an anti-corruption culture within schools and the wider community. The evaluation of the activity was conducted through observation of participant engagement and responses during the seminar. The results indicated an increase in students’ understanding and awareness of anti-corruption values, as well as the importance of integrity-oriented behavior in everyday life. This activity demonstrates that interactive seminars can serve as an effective approach to supporting students’ character development and strengthening preventive efforts against corruption.

Teaching plane geometry often faces challenges due to the abstract nature of geometric concepts, which are often detached from students’ real-life contexts. This study is a development research (Research and Development) using a modified 4D model reduced to 3D (Define, Design, Develop) aimed at producing and testing the validity of a Student Worksheet based on ethnomathematics with Batik Sekundang motifs on plane geometry material oriented toward Contextual Teaching and Learning (CTL). Validation was conducted by two mathematics education experts who assessed the feasibility of content/material, media, and language/readability using a Likert scale instrument. The data were analyzed quantitatively in a descriptive manner using percentage formulas to determine the level of validity. The results showed that the student worksheet obtained a validity percentage of 87.50% in content feasibility (very valid), 80.76% in media (valid), and 87.50% in language (very valid), with an overall average of 85.25%, which falls into the very valid category. Based on these results, the ethnomathematics-based student worksheet with Batik Sekundang motifs is declared suitable to be used as a supporting teaching material for contextual and meaningful plane geometry learning for students in South Bengkulu.

The legal relationship between doctors and patients is essentially based on an obligation of effort (inspanningverbintenis), rather than an obligation of result (resultaatverbintenis). In practice, however, dissatisfaction with the outcomes of medical services often leads to criminal reports alleging medical negligence, which implies the criminalization of healthcare professionals. On the other hand, Law Number 17 of 2023 concerning Health and the Regulation of the National Police of the Republic of Indonesia Number 8 of 2021 provide broader opportunities for the application of restorative justice in resolving criminal cases, including medical negligence. This research aims to analyze the criteria for applying restorative justice in medical negligence cases at the investigation level, examine resolution patterns oriented toward recovery and justice for all parties, and identify the obstacles faced by investigators in implementing this mechanism. The research method used is normative legal research with a statutory approach and a conceptual approach, conducted through a review of legislation, legal doctrines, and expert opinions in the fields of health law and criminal law. The results indicate that the application of restorative justice in medical negligence cases can, in principle, be carried out as long as it meets the formal and material requirements as regulated in Police Regulation No. 8 of 2021, and aligns with the restorative resolution paradigm promoted by Law No. 17 of 2023 concerning Health. Resolution patterns oriented toward mediation, reconciliation, and reparation are considered more capable of achieving substantive justice for victims while providing protection for medical personnel who lack mens rea. Nevertheless, the implementation of restorative justice at the investigation level still faces various obstacles, including subjectivity in determining compensation, differing understandings among law enforcement officers regarding the boundary between professional error and criminal offense, disagreement between parties, and the pressure of public opinion and social media. Therefore, it is necessary to strengthen regulations, increase the capacity of investigators, and harmonize understanding among stakeholders to optimize the application of restorative justice in medical negligence cases.

This community service activity aims to improve the understanding and readiness of Elementary School Teacher Education (PGSD) students in taking the Learning Strategy course. The activity focused on introducing the basic concepts of learning strategies, the use of various innovative learning methods, and the integration of technology in the learning process. The target of the activity was PGSD students who were about to start the Learning Strategy course. The implementation method of the activity included material delivery, interactive discussions, and filling out a questionnaire to identify students' perceptions, initial experiences, and expectations of the Learning Strategy course. This activity was attended by 84 students at the beginning of the lecture. The data obtained were analyzed descriptively to describe the level of understanding and needs of students. The results of the activity showed that students generally had a basic understanding of learning strategies, but there were still variations in learning method preferences and levels of readiness in using technology. Problem-Based Learning and Project-Based Learning were perceived as effective and engaging methods, although students still faced obstacles in time management and differences in learning styles. This activity made a positive contribution in raising students' awareness of the importance of selecting appropriate learning strategies. This community service activity recommended the need to strengthen more adaptive, innovative, and inclusive learning through technology integration and attention to the diversity of student learning styles in the implementation of the Learning Strategy course.