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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.

Chili pepper (Capsicum frutescent L.) is known as one of the high sources of vitamin C, which acts as an important natural antioxidant for human health because the body is unable to produce its own. This study aims to analyse vitamin C levels in chili pepper using the iodometric titration method quantitatively by taking a 5 gram sample of chili pepper and titrating it using 0,1 N iodine solution. The analysis results showed that the vitamin C content obtained was 0,0704% or equivalent to 70,4 mg/100g. This value is higher than some research results. This value is higher than some previous research results on fruits and chillies from other regions. This finding shows that chilli pepper has great potential as a source of vitamin C in supporting the fulfilment of people’s daily nutrition. In addition, the iodometric titration method is proven to be effective and efficient to be used in the analysis of vitamin C in foodstuffs. Therefore, chili pepper consumption can be a simple strategy in improving nutritional and preventing disease related to vitamin C deficiency.

Pocari Sweat Run as an annual running event of PT. Amerta Indah Otsuka since 2013 has been the main platform to build the brand image of isotonic drinks through an inclusive offline and online hybrid experience. Instagram account @pocarisportid plays a strategic role with digital content such as race teasers, runner testimonials, and UGC content to strengthen the perception of the event as part of a healthy lifestyle. Pocari Sweat Run as one of the National running events utilizes the Instagram account @pocarisportid to convey information, value, and event experience to the audience on a regular basis. This research attempts to examine the role of digital content Instagram @pocarisportid in strengthening the image of the event Pocari Sweat Run. This research uses descriptive qualitative approach with content analysis method. Data analysis was conducted using Ardianto image theory and The Theory of Uses and Gratifications. The finding demostrated  @pocarisportid digital content was able to build a positive image of Pocari Sweat Run as a healthy, professional and inclusive running event. Promotional and educational content represents the expected image (wish image), while documentation of activities and participant testimonials reflect the mental image that emerged from the audience. In addition, digital content is able to meet the needs of information, entertainment, and social interaction of audiences. The implications of this study indicate that the management of digital content that is consistent and oriented to the needs of the audience can be an effective communication strategy in strengthening the image of sports events.

This research is motivated by the view that literary works, including children's films, serve not only as entertainment but also as a means of moral learning that plays an essential role in shaping children's character. The film Paddington (2014) was chosen because it features an innocent main character who can represent moral values ​​through simple actions and dialogue. The purpose of this study is to describe how the main character's innocence is depicted in the film and how these moral values can serve as a learning medium for children. This study uses a qualitative descriptive approach with content analysis. Data were obtained through observations of scenes, dialogues, and the main character's actions that demonstrate innocence and the moral values ​​contained therein. The results show that Paddington's innocence manifests in honesty, politeness, trust, and a high level of curiosity, though this often leads to misunderstandings or chaos. This innocence serves as a medium for conveying moral values ​​such as responsibility, empathy, and learning from mistakes. The implications of this study indicate that children's films can be an effective means of character education if studied and accompanied by an understanding of the moral values ​​contained therein.

This study examines students’ perceptions of the use of online platforms for English listening practice. The research employs a mixed-methods approach involving 150 undergraduate students through questionnaires and semi-structured interviews. The findings indicate that the majority of students hold positive attitudes toward the use of online platforms, primarily due to time flexibility, diverse content, and the ability to learn independently. Nevertheless, several challenges were identified, including internet connectivity issues that disrupt the learning experience, a lack of personalized feedback, and difficulties in maintaining learning motivation. Features such as adjustable playback speed, the availability of transcripts, and interactive exercises received high levels of satisfaction. Overall, the study concludes that although online platforms have great potential to enhance English listening skills, their effectiveness largely depends on proper implementation, adequate technical infrastructure, and active support from educators. Therefore, this study recommends improvements in technical aspects and the development of more effective learning methods to achieve more optimal outcomes.

This study investigates the long-term impact of adaptive digital learning ecosystems on students' self-regulated learning (SRL) behaviors and academic persistence. Adaptive learning systems personalize the learning experience by adjusting content and feedback to meet individual students' needs, preferences, and performance. These systems enhance engagement, motivation, and learning outcomes through real-time adjustments and continuous feedback. The research aims to explore how adaptive learning systems influence SRL and academic persistence in university courses over time. Using a longitudinal quantitative design, the study tracks SRL behaviors and academic persistence at multiple points during the semester. Results show significant improvements in SRL behaviors such as goal setting, planning, self-monitoring, and reflection among students engaged with adaptive learning environments. These students exhibited greater autonomy, improved metacognitive awareness, and higher motivation. Additionally, students in adaptive systems demonstrated greater academic persistence, as indicated by more time spent on tasks, higher assignment completion rates, and sustained engagement. The findings suggest that adaptive learning platforms promote SRL and academic persistence by offering personalized, responsive learning experiences. Unlike static, non-adaptive environments, adaptive systems provide dynamic support, enhancing students' ability to regulate their learning and remain engaged despite challenges. The study concludes that adaptive learning systems are vital for long-term academic success, though further research is needed to assess the sustainability of these effects in various educational settings and among diverse student populations.

Innovation in biology learning is increasingly necessary, as conventional instructional practices are often dominated by memorization-based methods that limit students’ active engagement and critical thinking development. Along with rapid advances in science and technology, digital applications offer new opportunities to enhance teaching and learning processes. One such application is Canva, a digital design platform that can be utilized as an effective learning media to support teachers and students in biology education. This study aims to describe the implementation of Canva-based learning media through a training program conducted at SMA Islam Terpadu Daarul Rahman and to examine its perceived usefulness for both teachers and students. The training involved teachers in developing biology learning materials using Canva by integrating visual elements, images, and videos to present complex biological concepts more clearly. The results of the training indicate that Canva is considered practical, user-friendly, and efficient by teachers in designing learning materials. Teachers reported that the application helped them present content in a more attractive and structured manner. Furthermore, students benefited from the use of Canva-based materials, as they demonstrated better understanding of the subject matter and increased interest in learning biology. The integration of visual and multimedia elements also supported the development of students’ critical thinking skills by encouraging analysis and interpretation of biological phenomena. Overall, the use of Canva as a learning medium shows potential to enhance the quality of biology learning and foster more meaningful learning experiences.

The development of digital technology has brought significant changes to the delivery of da'wah messages to young people. Audiovisual media has become an effective means of attracting interest, enhancing understanding, and increasing the participation of mosque youth in development activities. This service aims to analyze the use of audiovisual media as a means of developing mosque youth at Barisan Mujahid Matita (BMM), Medan. The method used is a qualitative approach through observation and audiovisual production training, which can improve the skills of young people in creating da'wah content, strengthen understanding of development material, and boost enthusiasm in participating in mosque activities. In addition, audiovisual media has proven to help BMM enhance the quality of documentation and publication of activities. In conclusion, audiovisual media is an effective instrument in the development of young people, especially in the context of creative digital da'wah. Digital Mosque Youth

The development of digital information technology has fundamentally transformed the ways university students access and interpret religious information. Social media platforms such as TikTok, Instagram, and YouTube have become primary spaces where students encounter diverse forms of religious content, ranging from educational dakwah to provocative narratives that may trigger tension and conflict. This phenomenon creates both opportunities and challenges for shaping religious moderation, particularly among first-semester students who are in the formative stage of constructing their intellectual and religious identities. This study aims to explore in depth the dynamics of religious moderation among first-semester students at IAINU Tuban within the context of digital polarization. A descriptive qualitative method was employed, utilizing semi-structured interviews, observations, and documentation as data collection techniques. Data were analyzed through thematic processes of reduction, presentation, and conclusion drawing. The findings reveal that students exhibit high social media engagement and are frequently exposed to short dakwah content circulated through algorithmic mechanisms. However, they also confront digital polarization characterized by emotional disputes, informational bias, and negative perceptions of other religious groups. While students demonstrate an initial understanding of religious moderation—such as wisdom, tolerance, and resistance to provocation—they have not fully developed adequate religious digital literacy to critically evaluate extreme content. This research concludes that social media simultaneously serves as a medium for dakwah and a site of polarization, highlighting the need for systematic reinforcement of digital literacy and religious moderation within Islamic higher education. 

The development of the Industrial Revolution 4.0 to the Society 5.0 era presents new challenges for education, including Islamic Religious Education (PAI). PAI is required not only to transfer religious knowledge but also to shape character, morality, and 21st-century competencies. This study aims to examine the philosophical foundations, characteristics, and application of PAI learning models to ensure their relevance in modern education. The research employed a qualitative approach with a library research design, involving the exploration of primary and secondary literature, critical reading, systematic note-taking, and content analysis validated through triangulation of classical and contemporary sources. The findings indicate that PAI learning models are conceptual, theoretical, systematic, and rooted in religious, philosophical, psychological, and sociological foundations. Four main models behavioristic, information processing, social, and humanistic each have strengths and limitations, yet their integration is relevant to forming insan kamil, a holistic human being balanced in cognitive, affective, psychomotor, spiritual, and social aspects. Therefore, developing PAI learning models based on Islamic philosophy and adaptive to technological advancements is a strategic necessity to face global challenges.

This research uses a qualitative approach with a library research method, focusing on the development of pragmatic thinking in Western and Islamic traditions and its contribution to contemporary education. Data were obtained through literature reviews from books, scientific journals, and previous research results. Data analysis was conducted using content analysis techniques to identify similarities and differences in Western and Islamic pragmatic thinking. The results of the study indicate that Western pragmatism developed through Peirce, James, and Dewey, who emphasized truth based on practical consequences and usefulness in life. Islamic pragmatism, although not explicit, is reflected in the thoughts of Al-Ghazali and Ibn Khaldun, who combine revelation with empirical experience and public welfare. The contribution of pragmatism to contemporary education includes: (1) educational goals oriented towards social experiences and problem-solving; (2) the position of students as active subjects with growth capacity; (3) curriculum development that is flexible, experience-based, and adaptive to social changes. this research states that Western and Islamic pragmatism both provide important contributions to contemporary education, shifting the focus from knowledge transfer to the development of competencies and characters that are relevant.  

This study analyzes the implementation of Islamic inheritance law (mawaris) in contemporary Muslim society as a means to realize justice and blessing (barakah) in the distribution of inherited wealth. The research is motivated by the growing number of inheritance disputes caused by limited understanding of faraid principles, the persistence of customary inheritance practices, and the coexistence of national legal systems that often diverge from Islamic inheritance regulations. These conditions frequently lead to unequal distribution and family conflicts. The study aims to examine the relevance of mawaris in modern contexts and to explore how its application, when aligned with the objectives of Islamic law (maqasid al-shariah), can address current social challenges. Employing a qualitative method with a normative library research approach, the study draws on primary sources such as the Qur’an, Hadith, and classical fiqh texts, as well as secondary sources including contemporary books and scholarly journal articles. Data were analyzed through content analysis to identify key concepts and arguments regarding the contemporary application of mawaris. The findings show that proper implementation of Islamic inheritance law fosters justice, minimizes family disputes, strengthens kinship ties, and safeguards the blessing of wealth. Nevertheless, insufficient public literacy on Islamic inheritance law and the dominance of non-sharia considerations remain significant barriers. Therefore, the study underscores the need for enhanced public education, greater involvement of religious scholars in inheritance mediation, and contextual integration of Islamic legal principles to ensure fair and beneficial inheritance distribution in modern Muslim families.

In the era of the Industrial Revolution 4.0, Islamic Religious Education (PAI) must emphasize not only memorizing religious content, but also fostering advanced thinking skills such as analysis, evaluation, and creativity through the Higher Order Thinking Skills (HOTS) method. This study aims to describe the implementation of HOTS-oriented Islamic Religious Education (PAI) learning at SMAN 2 Banjit, focusing on implementation methods, supporting and inhibiting factors, and their influence on students. This study uses a qualitative descriptive methodology with data collection methods such as observation, interviews, and documentation. The subjects of the study were Islamic Religious Education (PAI) teachers. Data analysis was carried out by means of data reduction, data presentation, and drawing conclusions. The results of the study indicate that Islamic Religious Education (PAI) teachers at SMAN 2 Banjit have implemented host-based Islamic Religious Education (PAI) teaching methods. HOTS-based learning through discussion methods, advanced question and answer, and problem-based learning, but the implementation has not been evenly distributed across classes. Teachers understand the basic concepts of HOTS, but still face obstacles in preparing HOTS-based learning devices and assessment instruments. Supporting factors for implementation are the support of the principal, technological facilities, and the enthusiasm of some students. Meanwhile, emerging obstacles include a rote-oriented learning culture, unequal distribution of learning facilities, and teacher administrative burdens. The implementation of HOTS has a positive impact on improving students' critical thinking skills and argumentative skills, as well as helping them understand Islamic values ​​more contextually.

Madhhab fanaticism in Islamic education, which appears in fiqh teaching practices that tend to absolutize a single madhhab, restrict dialogical space, and insufficiently appreciate the diversity of scholarly opinions. Such conditions may foster exclusive and intolerant religious attitudes among students. To respond to this problem, the study employs a qualitative approach with a library research design by critically examining books, journal articles, and documents related to fiqh madhhabs, Islamic education, religious moderation, and multicultural education. The data are analyzed using content analysis and descriptive–analytical techniques to map the forms of madhhab fanaticism in the learning process, the stages of transformation in madhhab understanding, and the pedagogical strategies that support the emergence of tolerant attitudes. The findings indicate that the transformation toward a more tolerant understanding of madhhabs is supported by curricula that accommodate comparative fiqh (multi-madhhab), inclusive learning materials, dialogical teaching methods, and teachers’ role modeling of moderate attitudes. Inhibiting factors include deeply rooted madhhab fanaticism, the dominance of conservative curricula, ideological bias in textbooks, and a weak culture of critical thinking. It is concluded that strengthening fiqh instructional design that consciously integrates religious moderation and multicultural education is essential for shifting madhhab understanding from patterns of fanaticism to patterns of tolerance within Islamic educational institutions.

The professional competence of Islamic Education (PAI) teachers plays a decisive role in determining the quality of learning at the elementary school level. In practice, many teachers still encounter challenges in mastering subject content, developing systematic teaching materials, applying innovative learning strategies, and integrating educational technology into classroom activities. These conditions indicate the need for structured professional development efforts through collaborative forums. This study aims to analyze the role of the Islamic Education Teachers Working Group (KKG PAI) in maximizing the professional competence of PAI teachers in public elementary schools in Panti District, Pasaman Regency, and to identify the supporting and inhibiting factors influencing its implementation. This research employed a qualitative approach with a case study design. Data were collected through in-depth interviews, participatory observation, and documentation involving the KKG supervisor, the head of KKG PAI, and member teachers. Data analysis was conducted using an interactive model consisting of data reduction, data display, and conclusion drawing. The findings reveal that KKG PAI functions as a strategic platform for collaborative lesson planning, subject-matter enrichment, peer reflection, and technology-based instructional training. Supporting factors include strong teacher commitment and collaborative culture, while limitations in facilities and technological disparities remain challenges. Strengthening the sustainability and management of KKG programs is essential to enhance teachers’ professional competence and improve the overall quality of Islamic education learning.

The Islamic insurance industry in Indonesia, including in the city of Medan, continues to face various challenges, one of which is the low level of public participation in using Islamic insurance products. Public decisions to choose Islamic insurance are influenced not only by economic factors but also by non-economic factors, such as the level of religiosity, Islamic financial literacy, and trust in insurance service providers. This study aims to examine in depth the role of religiosity, financial literacy, and trust in influencing public decisions regarding the use of Islamic insurance in Medan City. This research employs a qualitative approach by utilizing secondary data obtained from reports of the Financial Services Authority (OJK), the Central Statistics Agency (BPS), fatwas issued by the National Sharia Council of the Indonesian Ulema Council (DSN-MUI), as well as relevant national and international scholarly articles. Data analysis was conducted using content analysis techniques to obtain a comprehensive understanding of public behavior, perceptions, and preferences. The findings indicate that religiosity plays a role in increasing awareness of the importance of financial products that comply with sharia principles, financial literacy strengthens public understanding of the benefits and mechanisms of Islamic insurance, while trust emerges as the key factor most decisively influencing decision-making. These findings are expected to serve as a reference for formulating strategies to enhance public literacy and trust in Islamic insurance in Medan City.

The development of artificial intelligence has revolutionized higher education by increasing the efficiency and personalization of learning, but it has also posed a major challenge in the form of a decline in students' critical thinking skills due to their dependence on technology. Therefore, an in-depth philosophical study through the post-positivism, critical theory, and constructivism paradigms is needed to understand its impact on cognitive and epistemological processes. This study aims to analyze how these three paradigms guide the development of critical thinking in the context of AI. It uses a descriptive-analytical method based on secondary data from academic literature such as journals and books that have been critically synthesized. The findings show that post-positivism views AI as a tentative critical realism tool for empirical verification. Critical theory critiques power relations, ideology, and the ethics of technological domination. Constructivism emphasizes the construction of social knowledge through human-centered design that supports creativity and collaboration. The positive impacts of AI include instant feedback and content adaptation, while the negative impacts include social isolation, weak digital literacy, and data privacy. Therefore, the implication is the wise use of AI with the assistance of teaching staff to strengthen reflective analysis, ethical literacy, and paradigm adjustments in accordance with the exact or social sciences to create multidimensional learning in the digital era.

This study aims to analyze consumer perceptions of consumer reviews on the Shopee e-commerce platform and to understand how these reviews influence trust and purchasing decisions. The research employs a qualitative approach with a descriptive case study design, using in-depth interviews with one informant an active Shopee user and supported by digital observations of the fake review phenomenon. The findings indicate that reviews play a crucial role in shaping consumers’ perceptions and trust toward sellers. The informant perceived honest reviews as those characterized by detailed content, genuine product photos, and a natural writing style. In contrast, reviews that appear overly uniform, exaggerated, or too brief are considered inauthentic and raise doubts. Negative experiences resulting from fake reviews reduce trust in both sellers and the platform. This study highlights the need to improve review verification systems and enhance digital literacy education so that consumers can better distinguish between genuine and fake reviews, thereby fostering a more transparent and trustworthy online shopping environment.

This community service program aims to implement a technology-based digital marketing mix strategy to promote the education program of the Barisan Mujahid Matita (BMM) Da'wah House to teenagers in the Titipapan area, Medan. The methods used include digital audience analysis to identify the characteristics of Generation Z, planning data-driven content strategies using artificial intelligence (AI) tools, and implementing integrated digital campaigns through various social media platforms such as Instagram, TikTok, and YouTube. The activities also include intensive mentoring and practical training for adolescents in creative content creation, da'wah copywriting, social media management, and digital campaign performance evaluation. The results of the program showed an increase in adolescent participation in BMM's education program by 65%, a growth in social media engagement by 200%, and the formation of an independent and sustainable adolescent digital content team. This program proves that the integration of digital technology in religious education marketing strategies is not only effective in reaching adolescents, but also encourages active engagement, creativity, and positive digital literacy in the community.

The rapid growth of social media has created new opportunities for Generation Z entrepreneurs to build business identity and brand image through digital content. One of the most popular platforms among this generation is TikTok, a short-form video platform characterized by high interactivity and strong viral potential. TikTok is not only used as an entertainment medium but also as a strategic tool for developing business personal branding. However, the utilization of TikTok by Generation Z entrepreneurs has not yet been optimal, particularly in implementing structured and consistent content marketing strategies. This study aims to analyze the use of TikTok and content marketing strategies in building personal branding among Generation Z entrepreneurs. The research employs a descriptive qualitative method with a literature review approach, examining various academic sources, research articles, and relevant reports related to digital marketing and social media. The findings indicate that effective personal branding on TikTok is strongly influenced by the ability to create creative, authentic, informative, and audience-relevant content. In addition, consistency in content uploads and the effective use of TikTok features contribute to increased audience engagement, consumer trust, and business reach. This study is expected to provide insights and practical references for Generation Z entrepreneurs in designing effective and sustainable digital branding strategies in the creative economy era.