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This study aims to analyze student acceptance of the use of mobile-based learning media and augmented reality (AR) in the Electrical Circuit course at the Electrical Engineering Study Program at Padang State University. Using a mixed method approach, this research combines quantitative techniques through the Technology Acceptance Model (TAM) and qualitative approaches to explore student experiences through interviews. The results show that students' perceptions of ease of use (PEOU) have a significant effect on perceived usefulness (PU), which then affects attitudes towards use (ATU) and acceptance (ACC) of AR learning media. However, the relationship between PEOU and ATU, as well as PU and ATU, is not significant, indicating that affective aspects still need attention to increase positive attitudes towards the technology. Based on these findings, it is recommended that learning media developers pay attention to the user experience dimension and involve social factors and support in learning so that technology acceptance can be optimized. In conclusion, the successful integration of AR technology in education depends not only on convenience and usability, but also on emotional and social experiences that can support a more thorough learning process.

Community Service Activities were carried out in Mojosarirejo Village, Kemlagi District, Mojokerto Regency with the target of providing an understanding of Optimizing the Role of Community Participation in making Mojosarirejo Village Drug Free. Implementation of community service in Mojosarirejo Village with the main aim of providing education and literacy to the community about the dangers of drugs, as well as their bad effects on the human body, as well as criminal charges against users and dealers. This theme was chosen because drug trafficking in Mojosarirejo Village is very worrying. The circulation is massive and organized so that many village teenagers become drug users. The increasing distribution and use of drugs also has an impact on increasing crime rates. Preventive efforts in the form of early prevention need to be strengthened by involving the active participation of village communities, so that the space for drug trafficking can be narrowed. With the knowledge gained, the public can recognize and take preventive steps. Saving the younger generation from the influence of drugs is a form of effort to protect the nation's generation. The socialization carried out in Mojosarirejo Village, Kemlagi District, Mojokerto Regency, involved all elements of Village institutions, Youth Elements, Religious Leaders to work together and unite to eradicate drug trafficking.

The purpose of this study is to understand the process of implementing the baritan tradition in Tawangrejo Village and to identify the social and cultural values contained within the tradition. This research uses a qualitative approach with data collection techniques in the form of interviews and documentation. The results of the study show that the baritan tradition in Tawangrejo Village is held regularly every year, specifically on the eve of Satu Suro (the first day of the Javanese calendar). The tradition begins after the Maghrib prayer, marked by the local community bringing takir plontang, which are placed in the center as the community forms a circle around them. In addition, the baritan tradition contains both social and cultural values. The social values include compassion, responsibility, and social harmony. Meanwhile, the cultural values include the community’s behavior in relation to nature, interpersonal relationships within the society, and shared beliefs about desirable and undesirable actions.    

Although often overlooked as household waste, used cooking oil has great potential to produce environmentally friendly products. Fourth semester students of the Business Administration Program were trained to make aromatherapy candles from used cooking oil through this community service activity. The goal was to increase knowledge about the circular economy, encourage creativity, and foster students' entrepreneurial spirit. Socialization, hands-on practice, pre-post test evaluation, and participatory discussion were the methods of the activity. The results showed a significant increase in understanding and recycling skills. This activity shows that innovation based on household waste can support environmental sustainability while producing products with sales value.

The amount of load on the vehicle requires a balance current and voltage. To fullfill the requirement, vehicle use a energy stroage media called lead acid battery. Although the lead acid battery have a impaccable durability, the performance will be decrase as long as use, especially in term of power and durability. The downgrade performance from the battery make high cost replacement, meanwhile there is a change to fix the battery. One of the methode to fix is replace the cell and added H₂SO₄ electrolyte concentrat variation. This research intend to examine repairment effectivity and electrolyte concentrat variation on power for used lead acid battery NS40 type. H₂SO₄ electrolyte that used is 30%,40% and 45%  examine with 5 static dummy load 1 Ω 100 W pararrel circuit. Each electrolyte examine 60 times to obtain performance and durability data. The results show that increasing the concentration of H₂SO₄ has a significant effect to produce the voltage and current. At 30% concentrate, an average voltage is 9.8 V and the current is 30.125 A at 40% concentarte, the voltage is 10.18 V and the current is 32.731 A and at 45% concentrate, the voltage is 10.19 V and the current 33.375 A.

Hypertension is one of the cardiovascular disorders characterized by increased blood pressure. One non-pharmacological effort to reduce increased blood pressure can be done through physical exercise. This study was to identify the effect of Isometric Exercise intervention on systolic and diastolic blood pressure in hypertensive patients. The Pre-Experimental Study became the design of this study involving 32 respondents from a population of 104 hypertensive patients through Purposive Sampling. Isometric Exercise intervention was given 4 times in 1 week with a duration of 15 minutes. Blood pressure variables were measured with a tensimeter and the data were analyzed by the Independent T-Test with α 0.05. The results showed a decrease in systolic of 5.875 mmHg (from a mean of 143.125 to 137.125) and diastolic of 3.25 mmHg (from a mean of 91.625 to 88.375). p value = 0.014 (<0.05), meaning that there was a difference in systolic and diastolic blood pressure pre and post test. Isometric exercise can increase stimulation of the sympathetic nervous system so that blood circulation becomes smooth through the mechanism of venous vasodilation causing a decrease in cardiac output and total peripheral resistance, followed by a decrease in blood pressure. Isometric Exercise intervention can be carried out as an effort to manage blood pressure in hypertension patients through a physical exercise approach.

The Mekarsari Village KKN student activity program with a qualitative descriptive method was carried out in Mekarsari Village, Lirik District, Indragiri Hulu Regency, to be precise at the Meranti Jaya Sports Hall (GOR). Indonesia's population with a Muslim majority makes the need for halal products very large. There needs to be a guarantee of halal products for incoming and outgoing products circulating in Indonesia. The halalness of a product can be determined by carrying out a halal certification by conducting product inspections starting from the selection of raw materials, the production process, to final product results. On this basis, it is necessary to certify halal products for UMKM owners. This of course will improve the UMKM economy of the population. Therefore, suggestions for the future are that residents are expected to participate in halal logo verification activities so that UMKM owners can understand the importance of halal logo certification for their businesses. From the activities carried out in Mekarsari Village, it can be concluded that the importance of halal logo certification for UMKM owners in Mekarsari Village has an effect on the economic progress of the residents of Mekarsari Village.  

Anthropometry is a direct technique for evaluatingnutritional status, especially protein and energy levels of the body. One of the efforts to develop competent and skilled cadres in anthropometric measurements is through training techniques. To determine the relationship between knowledge, role, motivation and length of service of Posyandu cadres towards the use of anthropometric tools at the Topo Health Center UPTD.Method:This type of research is observational analytic using Cross Sectional Study. The research sample amounted to 30 cadres from 3 active posyandu. Data analysis used the Statistical Program For Social Science (SPSS) version 16.0.Results:Chi Square Testshows that there is no relationship between cadre knowledge and the use of anthropometric tools based on the measurement of the foot scale and stadiometer (p-value> 0.05). There is a relationship between cadre knowledge and the use of anthropometric tools based on the measurement ofLiLa, infantometer, and head circumference (p-value <0.05). While the relationship between work period and the use of anthropometric tools and the relationship between motivation and the use of anthropometric tools is not related (p-value> 0.05). Conclusion: There is a significant relationship between cadre knowledge and the use of anthropometric tools (measurement ofLiLa, infantometer, and head circumference). There is no significant relationship between work period and the use of anthropometric tools, as well as motivation and the use of anthropometric tools. Suggestion: it is hoped that cadre training will be held frequently and will be improved and more active in using anthropometric tools.

Surya Indo Plastic is a pioneer company that provides exceptional quality recycled plastic food packaging for the food and beverage industry. Established in 2006 in Indonesia. The company wants to make a positive impact and contribute to protecting the environment by offering food packaging that contains 100 percent recycled plastic, which meets the highest quality and performance standards. The company works hard to accelerate the recycling of its products. Because every cup, every lid must make a difference. PT. Surya Indo Plastic is an example that packaging can be made sustainably, to prevent plastic waste from entering our environment. By raising awareness, supporting the circular economy, and encouraging individuals and companies to recycle. SIP's ambition is to provide the best quality food packaging made from sustainable recycled plastic materials while providing the best customer service. PT Surya Indo Plastic's goal is to make a difference in food packaging through innovation, responsibility, and collaboration. The purpose of this study was to determine the effect of authentic leadership, organizational identity and employee engagement on job satisfaction and company performance at PT. Surya Indo Plastic in Sidoarjo. This study uses a quantitative method with primary data sources obtained from distributing questionnaires. The population of the study were employees of PT. Surya Indo Plastic in Sidoarjo. The selection of respondents was carried out using the saturated non-probability sampling method with a total of 208 respondents. The data analysis method used descriptive analysis and SEM-PLS analysis. The results showed that the variables of authentic leadership, organizational identity and employee engagement influenced job satisfaction and company performance of PT. Surya Indo Plastic in Sidoarjo.

The global environmental crisis caused by population growth, waste, and resource exploitation demands a shift towards a more sustainable economic system. This study examines the role of Artifical Intelligence (AI) and Blockchain technological innovations as solutions in strengthening the implementation of the circular economy at the global level. Using qualitative methods through literature studies and focused group discussions, the resuts show that AI can optimize waste management and supply chains efficiently, while Blockchain increases transparency and accountability through secure digital recording. The integration of the two forms the Digital Circular Economy (DCE)-an innovative solution that promotes resource efficiency, data fairness, and global carbon footprint reducation. DCE is a strategic step toward creating new sustainability standards that are smart, transparent, and future-oriented.

Advances in digital technology have brought significant changes in the way local brands build their brand image and positioning in the market. Social media is one of the main platforms used in marketing communication strategies because of its ability to reach a wide and interactive audience. This research aims to analyze the marketing communication strategy implemented by Daclen, a local fashion brand from Bandung, in shaping sales positioning through the Instagram account @Daclen.id and its official website. The research method used was qualitative descriptive with data collection through in-depth interviews, observations, and documentation. The analysis was carried out using the Circular Method of SOME (Share, Optimize, Manage, Engage) approach which emphasizes the connection between content sharing, message optimization, communication channel management, and active engagement with consumers. The results show that Daclen has succeeded in developing a simple, yet consistent and targeted digital communication strategy. Instagram is used as the primary medium to strengthen the visual power of brands, through uploading high-quality product photos, promotional videos, and active interaction with audiences. Meanwhile, Daclen's official website functions as a credibility center that provides complete information about products, prices, and after-sales service. The combination of the two creates a well-rounded consumer experience and supports an exclusive perception of the brand. Each stage in the SOME model is executed optimally. The Share stage includes the distribution of creative content with a consistent upload schedule. Optimize is done by adjusting messages according to trends and audience responses. Manage focuses on account management and interaction monitoring, while Engage focuses on building emotional connections through quick responses and interactive content. The implications of this study show that the SOME-model-based digital communication approach can help local brands such as Daclen strengthen their positioning, build an exclusive image, and create long-term relationships with consumers amid increasingly fierce competition in the digital fashion industry.

This study explores the integration of sustainability principles into digital product development. It aims to create a framework for embedding environmental, social, and economic sustainability within digital design practices. Using a descriptive qualitative method based on literature analysis and thematic review, this study identifies core challenges and strategies in applying sustainable design. Findings highlight that sustainability integration enhances product value, reduces carbon footprint, and supports the Sustainable Development Goals (SDGs). The study contributes to a better understanding of how organizations can balance innovation with sustainability in digital transformation.

This research aims to develop and evaluate learning media based on traditional engklek games in improving the understanding of the concept of flat building in grade II students of SD/MI. The background of the research is based on the low interest and understanding of students in basic geometry materials and the lack of contextual and fun learning media innovations. The research approach used is qualitative descriptive with data collection techniques through observation, interviews, and documentation. The results showed that the ankle media was effective in improving students' understanding of flat shapes such as squares, triangles, and circles, with an increase in the average student score from 66.2 to 83.5. In addition, the use of this media also increases students' enthusiasm, active participation, and collaboration and socialization skills during the learning process. These findings are in line with constructivist and sociocultural theories that emphasize the importance of active and contextual learning. Engklek learning media not only enriches a meaningful mathematics learning experience, but also contributes to the preservation of local culture. This study recommends the use of traditional games as an innovative strategy in mathematics learning in elementary schools.

Shrimp shell waste is a potential marine biomass resource rich in bioactive compounds such as astaxanthin and chitin, yet remains underutilized in the livestock sector. This study aimed to evaluate the effect of incorporating shrimp shell meal into duck (Anas sp.) feed rations on the yolk color intensity of duck eggs. The experimental design applied a completely randomized design (CRD) with a single factor and four treatments: D0 (100% rice bran, control), A1 (rice bran + 2% shrimp shell meal), A2 (rice bran + 6%), and A3 (rice bran + 10%), with a 21-day observation period. The primary parameter measured was yolk color intensity, assessed visually using a standardized color scale. The results indicated that the addition of shrimp shell meal significantly enhanced yolk color intensity, with the highest pigmentation observed in the A3 treatment. Astaxanthin, functioning as a natural carotenoid pigment, was biologically absorbed and distributed into the yolk via lipophilic pathways, while chitin supported gut health and nutrient absorption efficiency. This study aligns with the principles of the circular economy by valorizing marine processing waste as a functional feed ingredient. A 10% inclusion rate was found to be visually optimal; however, further studies are required to assess its physiological impacts and economic feasibility in broader production contexts.

Legal protection for consumers is an important issue in maintaining public trust in products circulating in the market, especially in subsidized cooking oil products. Decreasing quality or cutting product content can affect consumer perception, which has an impact on decreasing trust in the product brand. This study aims to analyze the impact of legal protection on the consequences of cutting subsidized cooking oil and how this incident affects public trust. The research method used is a qualitative approach with a case study analysis of the event of cutting the contents of cooking oil products by PT AEGA. The results of the study indicate that non-compliance with product quality standards can cause consumer distrust and worsen the brand image that has been identified with the government subsidy program. Therefore, it is important for the government and business actors to increase transparency, supervision, and law enforcement so that the public does not feel disadvantaged and continues to trust the products they consume. This study also recommends strengthening regulations and legal counseling to the public to increase their awareness and participation in consumer protection.

Tui na massage is one of the non-pharmacological therapies that can be done to overcome picky eaters in toddlers. Tui na massage therapy aims to improve digestion and blood circulation in the spleen. This counseling method is carried out directly with interactive lectures and discussions as well as tui na massage simulations. Discussions are carried out using the Q&A method related to the material. Tui na massage is carried out using techniques such as massaging (Petrissage or Nie), tapping (Tapotement or Da), gliding (Effleurage or Tui), friction, rotating, and vibrating certain points so that they will affect the body's energy. This therapy is carried out once a day for 6 consecutive days. The results of the activity showed that after this activity most mothers had good knowledge about picky eaters and tui na massage. This counseling activity has been achieved by increasing insight in mothers of toddlers.

This research aims to analyze the legal responsibility of business actors in the circulation of illegal cosmetics and legal protection for consumers based on applicable laws and regulations. The method used is normative legal research with a statutory approach, the nature of the research used is prescriptive and uses legal material collection techniques with literature studies. The results showed that 1) business actors who distribute illegal cosmetic products are legally responsible both civil, criminal and administrative. 2) Legal protection for consumers still faces serious challenges due to weak supervision and low legal awareness. Therefore, it is necessary to strengthen law enforcement and increase consumer education to prevent losses due to the use of illegal cosmetic products.

Waste management in urban areas such as South Jakarta remains a major challenge, particularly at the household level. This study aims to examine the role of Bank Sampah Mekar Sari in implementing circular economy principles through community-based waste management. The research employed a descriptive qualitative approach, with data collected through in-depth interviews, observation, and documentation. The findings show that Bank Sampah Mekar Sari functions not only as a collection point for inorganic waste but also as a center for educating and empowering residents to sort and manage waste sustainably. The practices observed, such as household-level sorting, partnerships with recycling partners, and material reuse, reflect the core principles of the circular economy. In addition, collaboration among community members, local government, and the private sector contributes to the development of a participatory waste management ecosystem. This study recommends replicating similar models in other regions and highlights the importance of regulatory and institutional support in strengthening local waste management systems.

The implementation of a structured and organized circuit training program will yield maximum results in improving cardiovascular endurance. This study focuses on determining the effect of implementing a circuit training program using a ball on improving the cardiovascular endurance of the Porma FC Kota Malang soccer club. This research uses a pre-experimental design with a one-group pretest-posttest design. The entire study population consisted of 85 Porma FC Kota Malang players with various age characteristics. A sample of 22 players aged 15–16 years was selected using purposive sampling. The Porma FC players underwent circuit training using a ball over 16 sessions. Data collection techniques for this study utilized the Multistage Fitness Test (MFT). The data obtained were analyzed using SPSS version 22 software, showing that the variable obtained a significance level of 0.00 (<0.05), indicating that circuit training using a ball has an effect on the process of improving cardiovascular endurance. The average pretest improvement in endurance was 43.40, and the average posttest improvement was 48.90. It can be concluded that circuit training using a ball has a significant effect on improving the cardiovascular endurance of the Porma FC team.

Marriage in Islam is a sacred institution aimed at forming a family that embodies sakinah, mawaddah, and rahmah, while also serving as a legitimate and responsible means to fulfill biological needs. In the socio-religious context, religious figures such as kyai play a significant role, particularly in guiding the community to maintain household harmony. This study explores the role of kyai in promoting household harmony among Islamic boarding school alumni in Gading District, an area where the spiritual bond between kyai and santri remains strong. These alumni often face various challenges in their domestic lives, including differences in perspectives with their spouses and shifts in social values in the modern era. In such circumstances, kyai serve as spiritual advisors, counselors, and mediators who offer solutions based on Islamic values and local wisdom. This research aims to identify the types of guidance provided by kyai, as well as the supporting factors and obstacles they encounter in fulfilling their roles. The findings are expected to enrich scholarly discourse in the field of socio-religious studies and offer practical insights for religious leaders to strengthen their roles as agents of family harmony amid the complexities of modernization.