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Processing plastic waste into fuel oil with pyrolysis technology. Research on plastic oil as an alternative fuel has been widely conducted. One of them is research on processing plastic bag waste into fuel oil with pyrolysis technology. In this study, a set of pyrolysis equipment was made by Lecturers and Students of UMNU Kebumen. The plastic waste used in this study was 1 kg of plastic bag. Meanwhile, the pyrolysis process used a temperature of 250oC-300oC. The fuel oil produced in the pyrolysis process of this study was approximately 400 ml. The average density of fuel oil from plastic bag waste was 0.733 gr/ml. The results of this density calculation are in the possibility of the density of gasoline, namely 0.710 gr/ml to 0.770 gr/ml. This pyrolysis process shows great potential for converting plastic waste into an environmentally friendly alternative energy source. Furthermore, the efficiency of this pyrolysis technology can be improved by adjusting the temperature and processing time, as well as by selecting a wider variety of plastic types. This technology has the potential to be applied more widely in plastic waste management within the community as a solution to reduce environmental pollution while generating renewable energy.

This study comprehensively evaluates the quality of biomass briquettes produced from blends of coconut shell charcoal and sengon sawdust, using both carbonized and non-carbonized materials. Composite briquettes were fabricated with varying compositions and characterized through proximate analysis, calorific value, density, and burning rate measurements to determine their suitability as solid fuel. The results indicate that adding non-carbonized sawdust increases volatile matter content and burning rate but reduces the calorific value of the briquettes. In contrast, incorporating up to 10% carbonized sawdust significantly improves the calorific value to 6119.2 cal/g, approaching that of pure coconut shell charcoal (6352.2 cal/g), while maintaining a relatively high burning rate. Briquettes containing carbonized sawdust also exhibit low ash content, below 3%, and moisture content under 8%, meeting standard solid fuel quality requirements. These findings demonstrate that a strategic combination of carbonized and non-carbonized materials can produce hybrid biomass briquettes with optimized thermal performance, providing a promising, sustainable, and environmentally friendly alternative fuel for domestic and industrial applications.

The increasing demand for paper has led to a shortage of wood-based raw materials, thus requiring environmentally friendly alternatives. This study aims to analyze the physical, mechanical, and morphological characteristics of paper made from cassava peels (Manihot esculenta Crantz) and oil palm fruit fibers (Elaeis guineensis Jacq.) as eco-friendly paper raw materials. The research method involved pulp preparation through delignification using 3.5% HNO₃ and 3% NaOH, bleaching with 10% H₂O₂, paper sheet formation with varying compositions (A = 70:30, B = 50:50, C = 30:70, D = 10:90), followed by grammage testing and tensile strain testing. The results showed that the grammage values ranged between 96.3–99.7 g/m², while tensile strain ranged between 2.6–4.4%. The study concluded that the best composition was found in sample C (30% cassava peel : 70% palm fiber) with a grammage of 98.5 g/m² and tensile strain of 3.2%. The implication of this study is that cassava peel and palm fiber waste have the potential to serve as alternative paper raw materials that meet the quality standards of A-grade printing paper (SNI 7274:2008), while also supporting the reduction of dependence on wood.

This study aims to analyze the implementation of video animation-based flipped classroom learning model in increasing students' learning interest in science subjects with material on the structure and function of living organisms in class 8D at SMPN 1 Sanrobone. The low interest in learning science among students is a major problem that needs to be addressed through more attractive and interactive learning innovations. The video animation-based flipped classroom model was chosen because it can optimize classroom learning time for more meaningful activities, while basic concept understanding is done independently through engaging animated videos. This study uses a survey method with a descriptive quantitative approach. The research subjects were  students of class 8D SMPN 1 Sanrobone in the even semester of the 2024/2025 academic year. Research instruments used learning interest questionnaires, observations, and documentation. The results showed that the implementation of video animation-based flipped classroom model was able to increase students' learning interest with high categories in aspects of attention, interest, involvement, and learning satisfaction. Animated videos presented before face-to-face learning provide clear visualizations of the structure and function of living organisms, making students more prepared and enthusiastic to participate in discussions and practical activities in class. This learning model also encourages student learning independence and increases active interaction in learning. This study recommends the implementation of video animation-based flipped classroom as an alternative effective and innovative science learning strategy to increase students' learning interest.

This research extends the previous work of Tsaqila, Winiarti, and Widaningrum (2024), who applied the Complex Proportional Assessment (COPRAS) method within a decision support system for supermarket branch location selection. Unlike the prior study, which focused on Ponorogo through a web-based framework, this study expands the implementation of COPRAS to the Medan Area, Medan Kota, Medan Polonia, dan Medan Maimun districts, adapting it to local urban, social, and economic characteristics. The main objective is to identify the most strategic site for a new supermarket by analyzing multiple criteria, including land cost, population density, accessibility, safety, cleanliness, and disaster risk. Data were collected from both field surveys and official government publications. The findings reveal that the COPRAS method provides reliable and objective assessments among the evaluated alternatives, with Medan Area emerging as the most suitable location for supermarket development. Overall, this study broadens the practical scope of the COPRAS method in a different regional context and reinforces its reliability and adaptability as a multi-criteria decision-making tool in the modern retail industry.

This study aimed to analyze the implementation of policies prohibiting illegal fishing practices involving the use of explosives, poisons, and electric shock devices in Sanga-Sanga District, Kutai Kartanegara Regency. Although regulations and extension activities related to the prohibition have been established, illegal fishing practices continue to occur as of 2025. The findings reveal that some fishermen still use poison and electric shock due to economic reasons and the perception that these methods yield greater catches. However, such actions cause losses to other fishermen by reducing the quality of the catch and damaging the aquatic ecosystem. The community is aware of these violations but is reluctant to report them due to fear of threats from the perpetrators. Efforts by fisheries extension officers to establish community-based surveillance groups (Pokmaswas) have not been optimal due to low public participation. Collaboration between provincial fisheries supervisors and the local marine police (Polairud) has resulted in joint patrols that successfully apprehended two perpetrators of illegal fishing, yet law enforcement has not produced a deterrent effect. Moreover, the program to replace destructive fishing gear with environmentally friendly alternatives for fishermen willing to transition has not been realized due to budget constraints. Based on these findings, it is necessary to strengthen integrated surveillance, provide legal protection for whistleblowers, accelerate the implementation of sustainable fishing gear programs, and enhance public awareness of legal and ecological issues.

The animated film KPop Demon Hunters quickly became a worldwide hit, reaching the top of Netflix's global charts with over 33 million views in just two weeks. The highly acclaimed film KPop Demon Hunters has been the subject of some research due to its notable accomplishment. Yet, none of the research above discusses the symbolism that is richly put in the movie. Thus, the research attempts to elaborate on the representation of symbolism in order to provide an alternative viewpoint of the Kpop Demon Hunters, particularly the well-known villain, the Saja Boys. In order to study the underlying meaning of the Saja Boys, the author employs the qualitative method and applies Vrabel's study of deadly sin in relation to the religious symbol. This study concludes that the members of the Saja Boys represent symbolism of the deadly sins, which are anger, envy, greed, lust, pride, gluttony, and sloth. These vices are shown from the behavior of the Saja Boys, such as barking towards fans aggressively, being envious of one’s freedom and happiness, stocking food as much as possible, giving sexual gratification through physical appearance, and being overly proud of it. Not only that, the members of Saja Boys also portrayed the action of overconsumption and laziness.

This study aims to determine the effect of interactive learning media based on Math Playground on student learning outcomes on fraction materials in class IV SDN Kedung Dalem III. The problem studied is whether there is a significant influence between the use of interactive learning media based on Math Playground on student learning outcomes in grade IV SDN Kedung Dalem III. This study uses a quantitative method with a one group pretest-posttest design. The sample of this study were fourth grade students of SDN Kedung Dalem III, totaling 17 students. The research instrument used is a test (Pretest-Postest) of student learning outcomes on fraction material, which consists of 10 multiple choice questions. The results of the analysis using the wilcoxon test show that the sig value (2 tailed) is 0.000 which indicates significance <0.05 so that H0 is rejected and H1 is accepted. This shows that the interactive learning media Math Playground has a significant effect on improving student learning outcomes. The conclusion of this study is that Math Playground interactive learning media can improve student learning outcomes on fraction material. Therefore, teachers and educators can use Math Playground as an alternative learning media to improve student learning outcomes.

The epistemology of modern science develops with the assumption that neutrality and objectivity distinguish facts from values. This belief leads to the reduction of values, especially those related to ethical, metaphysical, and spiritual values, during the development of science. The purpose of this paper is to examine the problem of value reduction in the epistemology of modern science and to examine the Islamization of science as an epistemic alternative. This research method is qualitative, literature-based, and critical-philosophical. Epistemological critiques of value-free science, based on positivism and modern empiricism, and a study of the theory of the Islamization of science by Syed Muhammad Naquib al-Attas and Ismail Raji al-Faruqi are used to complete the analysis. The results of this study indicate that the epistemological separation between facts and values ​​in contemporary science leads to a decline in values. The Islamization of science offers an alternative epistemic framework that positions science as a meaningful, valuable, and goal-oriented activity. Thus, without rejecting the methodological progress of contemporary science, it remains a plausible option. Despite lingering problems with the methodological formulation, this article asserts that the Islamization of science is relevant as a theoretical response to the crisis of values ​​in the epistemology of modern science.

This study discusses the role of FoGuangShan Humanistic Buddhism in building compassion-based communities through education in Indonesia. As one of the schools of modern Buddhism, FoGuangShan transmits the values of compassion, wisdom, and humanity in educational practices, both formal and informal. Using a qualitative descriptive approach, this study explains how these values are applied in curriculum, learning activities, and social programs involving interfaith and cultural communities. The results of the study show that education based on Humanistic Buddhism plays an important role in fostering tolerance, strengthening moral character, and encouraging social solidarity in Indonesia's multicultural environment. Furthermore, FoGuangShan managed to create a learning space that not only focuses on academic knowledge, but also on the development of empathy, social skills, and collective awareness for living in harmony. In addition, an inclusive and dialogical approach to education is able to strengthen social relations between individuals and minimize potential conflicts based on religious and cultural differences. These findings confirm that the educational model implemented by FoGuangShan can be a significant contribution to the development of character education, interfaith dialogue, and the strengthening of social cohesion in a pluralistic society in Indonesia, as well as an alternative reference for human values-based educational practices.

The purpose of this study is to develop teaching materials in the form of interactive textbooks on the subject of Rukun Iman (the Five Pillars of Islam) for MIS NU students in Palangkaraya City. The motive for this study is the need for more contextual and relevant teaching resources on Aqidah Akhlak (Islamic beliefs and morals) in order to optimize students' understanding. The ADDIE development model, which includes the phases of needs analysis, product design, development, implementation, and evaluation, was used in this study. Validation was carried out by subject matter experts, design experts, and educators as practitioners to ensure the suitability of the product. Based on the validation results, subject matter experts and designers consistently rated the teaching materials as “very feasible” in terms of media functionality, visual appeal, and material completeness. Improved learning outcomes through pre- and post-tests, as well as a feasibility rate of 93.02%, were demonstrated during implementation in a field test with 30 second-grade students. Moderate to significant learning gains were shown by N-Gain analysis. The findings prove the effectiveness of interactive learning books in improving students' understanding of the Five Pillars of Islam and providing alternative teaching resources that are more interesting and easier to understand. It is hoped that this publication will serve as a guide for educators in Islamic elementary schools to maximize the teaching of Aqidah Akhlak.

Understanding tajwid material is an important aspect of learning the Qur'an. However, in practice, students often have difficulty understanding and applying tajwid rules correctly. Therefore, appropriate and effective learning methods are needed to help improve students' understanding. This study aims to improve the understanding of tajwid material in female students of class D2 at the Takhassusul Qur'an Darul Hikmah Institute through the application of the musyafahah method and the drill method. The musyafahah method emphasizes direct learning through examples of the teacher's reading that are imitated by students, while the drill method focuses on practice and repetition of material both inside and outside the classroom to strengthen students' mastery. This study used a classroom action research (CAR) approach with 17 female students in class D2 as research subjects. Data collection techniques included tests, observations, interviews, and questionnaires. The results showed that the application of the musyafahah and drill methods significantly improved students' understanding of tajwid material, as indicated by increased test scores and positive student responses to the learning process. Thus, it can be concluded that both methods are effective in improving students' understanding of tajwid material. Based on these findings, the study recommends that educators consider using the musyafahah and drill methods as alternative tajwid learning strategies to achieve more optimal learning outcomes.

This study applies the Mean Variance model, which aims to form an optimal portfolio composition in the health, property, and cyclical consumer sectors and combine the three sectors into one portfolio, then visualize its efficient frontier. This study analyzes the return profiles and compares the risks of each portfolio using alternative risk measures such as the Coefficient of Variation (CV), Value at Risk (VaR), and Conditional Value at Risk (CVaR). Daily closing price data for the three sectors listed on the Indonesia Stock Exchange (IDX) from March 2, 2020, to March 3, 2025, were used in this study. Stock selection was conducted using purposive sampling, followed by selecting seven stocks for optimization based on the lowest Coefficient of Variation (CV) value. Portfolio optimization analysis was conducted using the Python programming language with Visual Studio Code software. The findings of this study indicate that the combined portfolio incorporating the three sectors is the most efficient, with an expected return of 0.104%, standard deviation of 0.007, and alternative risk measures such as Coefficient of Variation (CV) 6.9328, Value at Risk (VaR) of -0.99%, and Conditional Value at Risk (CVaR) of -1.44%, which are lower than those of single-sector portfolios. Visualization of the efficient frontier curve confirms that the combined portfolio offers better results in terms of risk and return. The results of this study indicate that cross-sector diversification can significantly reduce risk and prevent significant losses.

Early English mastery is a long-term educational investment that should be supported by instructional approaches aligned with children’s developmental characteristics. This community service program aimed to systematically implement the *English Through Play* approach, enhance English learning interest, and create positive learning experiences for children aged 4–6 years at Samantha English Course. The program was conducted participatorily through preparation, implementation, and evaluation stages over eight weeks. The *English Through Play* approach was applied through various activities, including action songs, flashcard games, storytelling with gestures, and simple role play. Evaluation was carried out descriptively through observation of participation, verbal responses, children’s expressions, and simple oral tests to measure basic vocabulary mastery. The results showed that more than 80% of the children were actively engaged during the learning sessions. Approximately 70–85% demonstrated increased learning interest, as reflected in their enthusiasm, verbal participation, and positive responses to English instructions. In addition, most children were able to recognize and pronounce 5–10 basic vocabulary items based on the learning themes and perform simple self-introductions. The program also produced a play-based learning guide that can be sustainably implemented by the partner institution. In conclusion, the *English Through Play* approach proved effective in enhancing young learners’ interest and participation in early English learning. This model can serve as a practical and replicable alternative for similar non-formal educational institutions.

This study aims to analyze tax planning for Income Tax (PPh) Article 21 using the net, gross, and gross-up methods to minimize Corporate Income Tax at the Nahdlatul Ulama Hajj Guidance Foundation in Kediri City. Corporate Income Tax is a tax imposed on income received or obtained by an entity, so an appropriate tax planning strategy is needed in accordance with applicable tax regulations. This study uses a quantitative approach with primary data sources in the form of financial reports and payroll data of the foundation. Data analysis techniques include calculating PPh Article 21 using the three methods, fiscal reconciliation, and calculating Corporate Income Tax. The results of the study indicate that there are significant differences in tax burdens between the net, gross, and gross-up methods. The gross-up method results in a lower Corporate Income Tax burden compared to the net and gross methods because tax costs can be deducted fiscally. Thus, the application of the gross-up method is considered more effective in tax planning and can be used as a strategic alternative for foundations in optimizing tax burden efficiency without violating applicable tax regulations.

Pain is a prevalent issue frequently seen by pregnant women in their third trimester, attributable to physiological, biomechanical, and psychological alterations during gestation. Non-pharmacological pain management is essential as a secure alternative to enhance the comfort of pregnant women. Perinatal Yoga and Relaxation Techniques are two commonly endorsed non-pharmacological therapies; yet, comparative analyses of their efficacy remain scarce, particularly within primary health care settings. This study is to evaluate the efficacy of Perinatal Yoga against Relaxation Techniques in alleviating pain among pregnant women in their third trimester at the Bongo II Community Health Centre. The research employed a quasi-experimental design with a two-group pretest-posttest methodology. The sample comprised 38 pregnant women in their third trimester, categorized into two groups: 19 participants in the Perinatal Yoga group and 19 participants in the Relaxation Techniques group. The Numeric Rating Scale (NRS) was utilized to assess pain severity prior to and following the intervention. A paired t-test was utilized for intra-group differences, whereas an independent t-test was employed to assess inter-group efficacy.The findings indicated that both Perinatal Yoga and Relaxation Techniques markedly diminished pain intensity in pregnant women throughout their third trimester (p<0.001). The decrease in pain in the Perinatal Yoga group was statistically significant compared to the Relaxation Technique group (p<0.05). This study concludes that Perinatal Yoga is superior than Relaxation Techniques in alleviating pain in pregnant women during their third trimester. Perinatal Yoga is indicated as an effective and practical non-pharmacological technique in antenatal treatment inside primary health facilities.

Employment agreements are essential legal instruments that regulate the rights and obligations of workers and employers in industrial relations, aiming to ensure legal certainty and balance. In practice, however, the implementation of employment contracts often faces challenges such as differing interpretations, unequal bargaining positions, and inconsistent application of labor regulations. These issues require an effective and constructive dispute resolution mechanism that can address contractual problems while preserving employment relationships. In the Indonesian labor law system, mediation is recognized as a key non-litigation mechanism facilitated by government-appointed mediators to help parties reach mutually acceptable solutions. This study examines the mediation mechanism for resolving employment agreement disputes in Indonesia and analyzes its role as an alternative to court proceedings that emphasizes deliberation, efficiency, and cooperation. Using a normative legal research method with statutory and conceptual approaches, the study analyzes relevant labor laws, mediation regulations, and legal doctrines through a comprehensive literature review. The findings show that mediation is conducted through structured stages, including dispute registration with labor authorities, mediator appointment, facilitated negotiations, and the formulation of agreements or written recommendations. Mediation effectively promotes consensual solutions, reduces procedural complexity, and encourages cooperative communication. It also supports the preservation of harmonious and sustainable employment relationships by prioritizing consensus over adversarial processes. Strengthening mediator competence and improving legal awareness among workers and employers are therefore crucial to optimizing the effectiveness of mediation in resolving employment agreement disputes in Indonesia.

The Attorney General's Office plays a strategic role as a neutral facilitator that initiates, leads, and oversees the peace process, from peace offers and mediation to the issuance of a suspension of prosecution based on Attorney General Regulation No. 15 of 2020, while still considering the best interests of children, the restoration of social relations, and the legal benefits for all parties. This approach is considered effective in minimizing the traumatic impact of formal judicial proceedings on children while encouraging the social reintegration of perpetrators. However, the implementation of restorative justice still faces internal obstacles, such as limited operational regulations, the understanding and capacity of law enforcement officials, and suboptimal infrastructure. On the other hand, external obstacles arise from low public awareness of the law, a tendency to demand severe punishment, and a culture that emphasizes pride, which hinders the acceptance of peaceful resolutions. This study emphasizes the importance of strengthening regulations, improving the competence of officials, optimizing the function of Restorative Justice Houses, and intensifying public awareness so that the application of restorative justice in cases of child abuse is not only a procedural alternative but truly functions as a fair and sustainable recovery mechanism.

This research analyzes the legal status of zakat within the state financial system and explores its potential integration as a sharia-based fiscal instrument in Indonesia through a comparative study with Malaysia. In Islamic law, zakat functions both as a religious obligation and as a mechanism for wealth redistribution aimed at achieving social justice. However, under Indonesia’s positive law framework, zakat is still treated as a socio-religious institution outside the formal state fiscal system, as stipulated in Law Number 23 of 2011 on Zakat Management. In contrast, Malaysia has successfully integrated zakat into its Islamic fiscal policy through the authority of the State Islamic Religious Council (MAIN), which holds legal legitimacy as a regional public body. This study adopts a normative and comparative legal approach by examining statutory regulations, Islamic legal doctrines, and zakat institutional practices in both countries. The findings indicate that the integration of zakat into Indonesia’s fiscal system is constitutionally permissible and does not conflict with Article 23A and Article 34 paragraph (1) of the 1945 Constitution, as it aligns with welfare state principles and the state’s responsibility toward poverty alleviation. The legal implications of such integration include the establishment of lex specialis regulating zakat as a sharia fiscal instrument, harmonization with state finance laws, and the strengthening of institutional legitimacy and accountability in zakat management. Therefore, zakat holds significant potential to become a core pillar of Islamic economic law that supports economic equity and enhances national fiscal resilience.

Syphilis is one of the reproductive health problems that remains a challenge in Indonesia, with a trend of increasing cases, while the level of adolescent knowledge about this disease is still low. Educational efforts are needed to improve adolescent understanding, one of which is through video media which is considered more interesting because it combines visual and audio elements. This study aims to evaluate the effectiveness of video as an educational medium in improving adolescent knowledge about syphilis at SMKS Al Hikmah 2 Sirampog, Brebes Regency. This type of research is a pre-experimental study with a one group pretest-posttest design. The study sample consisted of 47 students selected using a purposive sampling technique. The research instrument was a syphilis knowledge questionnaire administered before and after the educational video intervention. Data analysis used the Wilcoxon Signed Rank Test and N-Gain calculation. The study showed that Results Before the intervention, the level of knowledge of respondents was in the good category for 24 students (51.1%), sufficient for 11 students (25.5%), and poor for 12 students (23.4%). After being given the educational video intervention, there was a significant increase with all respondents (100%) being in the good category. The Wilcoxon Signed Rank Test showed a significant difference between pretest and posttest scores (p-value = 0.000). N-Gain analysis categorized the increase in knowledge as high. The study concluded that video media has proven effective as an educational tool in increasing adolescent knowledge about syphilis, making it a viable alternative learning medium in reproductive health programs.