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This Community Service Program (Kuliah Kerja Nyata/KKN) aimed to empower housewives through environmentally friendly dishwashing liquid production training in Kuta Parit Village, Selesai Subdistrict, Langkat Regency, responding to limited female participation in productive economic activities and increasing demand for safe household cleaning products. The program sought to enhance skills, knowledge, and economic independence among women while promoting health and environmental sustainability. A descriptive qualitative approach was applied, using observation, informal interviews, and documentation conducted during program implementation. Activity stages included education on eco-friendly soap concepts, introduction to materials and their functions, demonstrations of the production process, and hands-on practice sessions involving participants directly. KKN students served as facilitators and mentors, ensuring participants comprehended each step and were able to replicate the process independently. The results indicated that housewives successfully produced liquid dishwashing soap suitable for daily household use with acceptable quality. Beyond technical skill improvement, the program stimulated entrepreneurial motivation, strengthened confidence, and created opportunities for developing home-based microenterprises using eco-friendly products. Overall, this KKN activity contributed positively to women’s economic empowerment while supporting cleaner living practices within the community.

Micro, Small, and Medium Enterprises (MSMEs) are a fundamental pillar of the Indonesian economy, but their potential is often hampered by the digital divide, especially in rural areas. The Quick Response Code Indonesian Standard (QRIS) initiative is a way for the government to encourage digital transformation and make payments more accessible to everyone. This article aims to document and analyse the process and impact of a community service programme that facilitated the adoption of QRIS among 10 MSMEs in Pematang Tengah Village, Tanjung Pura Sub-district. This activity used the Community-Based Participatory Action Research (CBPAR) method, which emphasises active collaboration between the service team and MSME partners. The process included participatory planning, collaborative action in the form of intensive training and mentoring, and joint evaluation. The results showed that all 10 MSME partners successfully adopted and used QRIS for daily transactions. The significant benefits included increased transaction efficiency, improved financial record-keeping, and a more modern business image. The main challenges identified were initial doubts about the technology and unstable internet connectivity, which were successfully mitigated through personalised mentoring based on trust. It was concluded that the CBPAR (Community-Based Participatory Action Research) method is a highly effective framework for implementing technological innovation in rural MSME communities because it not only addresses technical skill gaps but also builds crucial social capital such as trust and digital confidence.

Economic empowerment of rural communities through the strengthening of Micro, Small, and Medium Enterprises (MSMEs) is a crucial pillar in achieving national economic independence. One of the fundamental obstacles faced by MSMEs in rural areas is financial exclusion due to low digital literacy and dependence on conventional cash transaction systems. The Community Service Program (KKN) of students from the State Islamic University of North Sumatra (UIN SU) in Pematang Tengah Village was designed to bridge this gap by optimizing the Indonesian Standard Quick Response Code (QRIS). Through an intensive participatory mentoring approach, students acted as agents of digital transformation who educated, trained, and facilitated 10 local MSME actors in adopting non-cash payment technology. The results of the program show a significant shift from digital skepticism to digital trust. The implementation of QRIS has been proven to increase operational efficiency, financial management accuracy, and strengthen the image of business modernity in the eyes of consumers. This article emphasizes that the role of students is not merely as information deliverers, but as catalysts of social capital that is crucial for the sustainability of digitalization at the village level.

This activity was conducted in Timbang Lawan Village, located in Bahorok Sub-district, Langkat Regency, North Sumatra Province. The results of surveys and interviews with partners indicate that most residents, especially housewives, carry out activities at home, work as agricultural laborers, and engage in farming. This situation provides significant opportunities to train and educate them through programs aimed at improving economic conditions and financial independence. However, the main inhibiting factors identified are limited access to information, knowledge, and technology, which hinder their creativity in utilizing leisure time productively. The purpose of this community empowerment program is to provide education and socialization to inspire and empower the community in addressing economic problems through training in making dishwashing liquid. After this activity, it is expected that participants can reduce household expenses by no longer needing to purchase dishwashing liquid on a daily basis. Moreover, if opportunities arise, they may also identify business prospects to develop dishwashing liquid production. The expected benefit of this activity is to foster an entrepreneurial spirit among housewives in Timbang Lawan Village.

This study aims to analyze the success of the zakat program in improving the welfare of those who mustahik (receiver) in Langkat Regency. The study used a qualitative approach with triangulation methods through in-depth interviews, observations, and documentation studies with zakat administrators, local government officials, mustahik, and muzakki (receiver). The results indicate that zakat management by the Langkat Regency BAZNAS (National Agency for the Protection of the Poor) has had a multidimensional impact on mustahik, including improving housing quality, strengthening access to education, increasing income through economic empowerment programs, and increasing community religious awareness. The synergy between BAZNAS and the local government has also strengthened the effectiveness of zakat collection and distribution. Although challenges remain in optimizing funds and empowering business mentoring, the zakat program in Langkat Regency has substantively demonstrated success as an instrument for sustainable socio-economic empowerment and contributing to reducing regional poverty.

Indonesia continues to face a significant burden of stunting that seriously impacts human resource quality and national development. Stunting is defined as a condition of chronic linear growth failure in children under five years, characterized by height-for-age below minus two standard deviations (−2 SD) from the WHO Child Growth Standards median, resulting from prolonged nutritional deficiency during the first 1,000 days of life. Indonesia's national stunting prevalence in 2022 remained at 21.6%, far from the 2024 national target of 14%. This community service activity aimed to improve the knowledge of pregnant mothers and mothers with toddlers regarding the definition, causative factors, impacts, and prevention strategies of stunting in Banyumas Village, Stabat District, Langkat Regency, in 2025. A community-based participatory intervention approach with a pre-post single group design was employed, incorporating interactive health counseling, group discussion sessions, anthropometric examination of toddlers, and pre-test and post-test knowledge assessments using a validated questionnaire. Participants consisted of 21 pregnant mothers and mothers with toddlers, with 7 toddlers undergoing anthropometric examination. Results demonstrated a significant increase in the mean knowledge score from 55.24 (pre-test) to 82.38 (post-test), reflecting an improvement of 27.14 points. Anthropometric examination identified 1 out of 7 toddlers (14.3%) as having poor nutritional status based on the height-for-age index. Beyond measurable knowledge gains, the activity successfully promoted perceptual change among participants, fostered the active role of local health cadres as community change agents, and cultivated collective awareness regarding the importance of multi-stakeholder collaboration in stunting prevention efforts. It is recommended that posyandu cadres actively sustain the 1,000 HPK counseling program on a continuous basis, and that the institution develop more comprehensive follow-up community service programs in the target area.

The issue of plastic waste is increasingly becoming an environmental concern, including in elementary schools, due to its non-biodegradable nature and its potential to cause environmental pollution if not properly managed. This activity aims to implement the Ecobrick method as an innovative solution for managing and utilizing plastic waste at SDN 054945 Desa Dogang, Gebang District, Langkat Regency. The method used is a descriptive qualitative approach involving 65 students from grades IV and V through a community service activity. The activity was carried out on July 17, 2024, through preparation, implementation, and evaluation stages, with data collection techniques including observation, documentation, and reflective discussion. The results show that the application of the Ecobrick method successfully increased students' understanding and awareness of the dangers of plastic waste and fostered an early environmental concern. Moreover, previously worthless plastic waste was processed into functional Ecobrick benches that can be utilized within the school environment. This activity also encouraged a sense of mutual cooperation, responsibility, and creativity among the students. Thus, the Ecobrick method has proven to be an effective alternative for plastic waste management and a contextual learning medium in creating an environmentally friendly school culture.

Health education at the elementary school level represents a long-term investment in developing a stronger and more capable generation. By fostering a proper understanding from an early age, children are expected to build a resilient defense against various health threats. This community service program aims to broaden the knowledge and awareness of students at SDN 054945 Dogang Village, Gebang District, Langkat Regency, North Sumatra, regarding Clean and Healthy Living Behavior (known as PHBS). As a promotive and preventive strategy, PHBS is essential to instill from childhood to cultivate healthy habits and prevent various health disorders. This study utilizes a qualitative approach, applying the Miles and Huberman interactive analysis model. The activity, conducted on July 20, 2024, involved 77 fourth and fifth-grade students and followed three main stages: preparation, implementation, and evaluation. Socialization was carried out interactively through handwashing tutorial videos, physical exercises, PHBS-themed songs and rhythmic clapping, and Q&A sessions. The results indicated an improvement in students' understanding of various PHBS indicators, including handwashing habits, waste management, healthy food consumption, physical activity, growth monitoring, avoiding tobacco smoke, maintaining toilet cleanliness, and eradicating mosquito larvae. The active participation shown by the students reflects a heightened awareness of practicing PHBS within the school environment. In conclusion, this educational initiative has delivered a positive impact on student knowledge and holds the potential to foster a sustainable culture of clean and healthy living, both at school and in their daily lives.

The low level of interest and motivation among elementary school students in learning mathematics, particularly in plane geometry topics, remains a common problem. This community service activity aimed to improve students’ interest and understanding of plane geometry concepts through the implementation of the Inspiration Class as an educational medium that connects mathematical material with students’ aspirations. The activity was conducted at SDN 056024 Dogang, Langkat Regency, involving sixth-grade students. The implementation method employed a participatory and educational approach consisting of preparation, implementation, and evaluation stages. The activities included the delivery of plane geometry material, interactive discussions, and a creative project in the form of a “dream tree” using origami shaped into plane figures. The evaluation was performed qualitatively by observing student engagement and interactions in question-and-answer sessions, and analysis of students’ work. The results showed that the Inspiration Class created a more active and enjoyable learning atmosphere, increased student participation, and helped students better understand the concepts and properties of plane figures. In addition, this activity motivated students by linking mathematics learning with future aspirations and professions. Therefore, the Inspiration Class can be considered an effective alternative educational medium for teaching mathematics at the elementary school level.

Artistic creativity is an essential aspect of child development, contributing to imagination, fine motor skills, and self-confidence. However, limited access to art-based activities and excessive gadget use have reduced opportunities for children to develop creativity, particularly in rural areas such as Dogang Village, Langkat Regency. This community service program aimed to enhance children’s artistic creativity through the socialization of bracelet-making using paracord as a form of simple and practical non-formal education. The study employed a descriptive qualitative approach, with data collected through observation, interviews, and documentation involving children who participated in the activity. The socialization process included the introduction of tools and materials, demonstrations of basic knotting techniques, and hands-on practice with direct assistance. The results indicated that participants were able to master several basic techniques, including simple knots, braided patterns, and double (cobra) knots, which contributed to improved creativity, precision, social interaction, and self-confidence. In addition to its educational impact, the bracelets produced demonstrated economic potential, with an affordable selling price starting from Rp.5,000 per unit. Therefore, this activity not only supports the development of children’s artistic creativity but also provides opportunities for sustainable micro-enterprise development within the local community.

Stunting is a chronic nutritional problem that is still prevalent in the community and has long-term impacts on physical growth, cognitive development, and the quality of human resources. One effort to prevent stunting is through a community service-based nutrition education program. This activity aims to analyze the implementation of a nutrition education program as a stunting prevention effort in Pasar Rawa Village, Gebang District, Langkat Regency, North Sumatra. The method used was a descriptive qualitative approach with a community service approach. The target group included PKK mothers and local mothers with toddlers. The activity was carried out through the delivery of balanced nutrition education materials, an introduction to stunting, and a discussion and question-and-answer session. The results of the activity showed active participant participation and increased awareness of the importance of fulfilling children's nutritional needs. However, some mothers still did not fully understand the concept of stunting, and some toddlers still experienced stunting. Therefore, nutrition education needs to be carried out sustainably and integrated with other health programs.

This study examines the utilization of social media in improving the competitiveness of cassava chips and lidah manis SMEs in Pematang Serai Village, Tanjung Pura District, Langkat Regency, North Sumatra Province. The rapid development of information technology has encouraged SMEs to shift from conventional marketing methods to more effective and efficient digital marketing practices. This research employs a descriptive qualitative approach, with data collected through field observations, in-depth interviews, and documentation involving SME actors. The results indicate that the use of social media platforms such as WhatsApp, Facebook, and Instagram is able to expand market reach, increase product visibility, and strengthen relationships between business owners and consumers. Attractive promotional content, consistency in posting, and responsive communication are proven to influence consumer buying interest and trust. However, SMEs still face challenges, including limited digital literacy, time management constraints, and the lack of structured marketing strategies. Therefore, continuous training and assistance are needed so that SMEs can optimize the use of social media more effectively. This study is expected to serve as a reference for the development of digital-based SMEs in rural areas.

Health workers contribute up to 80% to the success of health development. For this reason, effective employee performance management is needed according to service performance for communicable and non-communicable diseases. The aim of this research is to analyze the factors that influence the performance of nurses in health services for non-communicable diseases and infectious diseases at the UPT Puskesmas Kuala, Kuala District, Langkat Regency.The research design used was an analytical survey with a cross sectional approach. The population of this study were all 31 nurses with a sample using a total sampling technique of 31 people. The data analysis used is the binary logistic regression test.The research results show that ability has a sig-p value of 0.025, attitude sig-p 0.014, learning sig-p 0.036, motivation sig-p 0.022, leadership sig-p 0.031 and work environment sig-p 0.048, which means it has an influence on nurse performance , while age sig-p 1.000 and perception sig-p 0.496 have no influence on nurse performance. Attitude is the dominant factor with an OR value of 28.446. In conclusion, ability, attitude, learning, motivation, leadership, and work environment influence nurse performance, while age and perception have no effect. Attitude is the most dominant factor influencing nurse performance.

The community service program entitled “Implementation of Digital Technology through Mapping MSME Locations on Google Maps to Enhance Consumer Accessibility in the Bukit Lawang Tourism Area” aims to improve digital literacy and business visibility among local micro, small, and medium enterprises (MSMEs) in Bukit Lawang, Langkat Regency, North Sumatra. The program was carried out using a participatory approach through socialization, training, and technical assistance involving four local MSMEs, consisting of two wildlife-themed painting craftsmen, one culinary business, and one souvenir craftsman. The results show that all MSMEs were successfully registered and verified on Google Maps, leading to increased consumer accessibility and customer interaction through digital reviews. In addition to expanding market reach, this activity also fostered awareness and independence among business owners in managing their online business profiles. This program demonstrates that location mapping through Google Maps serves as a simple yet effective strategy to support MSME digital transformation and strengthen community-based creative economies in rural tourism areas.

Rainfall plays a crucial role in determining flood risk, particularly in regions with high precipitation intensity and limited drainage capacity. Langkat Regency in North Sumatra is one of the areas frequently affected by seasonal flooding. This study aims to model the spatial distribution of rainfall and estimate the rainwater volume using the double integral approach as a basis for flood mitigation planning. Monthly rainfall data from various observation stations in 2024 were processed to obtain the average rainfall intensity, which was then converted into meters and multiplied by the total area of Langkat Regency to compute the rainwater volume. The results indicate that the total estimated rainwater volume throughout 2024 reached 16,409,819,800 m³, with peak precipitation occurring from September to November, contributing significantly to the increasing flood risk in low‐lying zones and riverine areas. These findings demonstrate that the use of double integrals is an effective quantitative method for predicting potential flood volume based on rainfall distribution. The outcomes of this study are expected to serve as a scientific reference for local governments in developing data-driven flood mitigation strategies, such as improving drainage capacity, constructing retention basins, and strengthening watershed management.

Cooking oil is a staple food widely used in daily cooking. However, repeated use of cooking oil, resulting in its conversion into used cooking oil, can have negative impacts on both health and the environment. Used cooking oil that has changed color and quality is carcinogenic and has the potential to increase the risk of cardiovascular disease if consumed again. Furthermore, improper disposal of used cooking oil can cause environmental pollution because it is difficult to decompose. This study aims to examine the wise management of household waste, especially used cooking oil, by utilizing it into products with utility value. One form of utilization is processing used cooking oil into environmentally friendly soap for laundry purposes. This activity was carried out as a form of community service through training in making soap from used cooking oil with the addition of essential oils for aromatherapy for residents of Pasar Rawa Village, Gebang District, Langkat Regency. The research method used was qualitative, with observation and direct participation in the training activities. The results showed that participants, particularly housewives, demonstrated high enthusiasm and were actively involved in both the presentation and the soap-making practices. This activity not only raised public awareness of the importance of managing used cooking oil waste but also provided new skills that have the potential to support family economic growth.

This study was motivated by the low level of Islamic literacy among the people of Timbang Langkat Village, which has affected the development of character based on Islamic values. The purpose of this research is to enhance Islamic literacy as an effort to strengthen community character through a two-week community service activity using a participatory and collaborative approach. This study employed a descriptive qualitative method with an action research model. Data were collected through observation, interviews, and questionnaires involving 30 participants, including community leaders, mosque youth, and local residents. The findings revealed a significant improvement in the community’s understanding of Islamic literacy, increasing from 40% of participants in the “good” category before the activity to 83% afterward. In addition to improved understanding, there was also a noticeable shift in social behavior reflecting Islamic values such as honesty, discipline, responsibility, and social awareness. The implication of this study suggests that Islamic literacy plays an essential role in shaping the community’s religious character and can serve as an effective strategy for moral and spiritual development. This Islamic literacy-based community service program is expected to be developed sustainably in other regions, adapted to local social and cultural contexts.

The Islamic Literacy Program to Foster Religious Character in Early Childhood is a community service initiative aimed at instilling Islamic values through engaging and meaningful literacy activities. The program was conducted for two weeks in Timbang Langkat Village, Binjai Timur District, involving early childhood learners, PAUD teachers, and parents. This study employed a Participatory Action Research (PAR) approach consisting of planning, action, observation, and reflection stages. Data were collected through observation, interviews, and documentation, then analyzed descriptively using the Miles and Huberman interactive model. The findings showed a 31% average increase in children’s religious character aspects, including faith, discipline, honesty, responsibility, and social attitude. Furthermore, teacher and parent involvement played a crucial role in strengthening the internalization of religious values through enjoyable literacy activities such as storytelling of prophets, writing Arabic letters, and Islamic role-playing. The implications indicate that Islamic literacy effectively fosters religious character development in early childhood in a contextual and sustainable manner and can serve as a model for other PAUD institutions in developing Islamic character education programs.

This study examines how Islamic Religious Education (PAI) contributes to developing student character that reflects care for environmental sustainability. The growing phenomenon of environmental degradation requires education that goes beyond cognitive aspects and nurtures ecological awareness grounded in Islamic values. The aim of this research is to describe the strategies and implementation of PAI in fostering environmentally friendly behavior among students. This study employs a qualitative approach through interviews with PAI teachers, observations of student activities, and documentation related to school-based environmental programs. The findings reveal that Islamic teachings on cleanliness, environmental balance, and human responsibility as stewards of the earth provide a strong foundation for encouraging students to protect the environment through positive habits such as proper waste disposal, wise use of resources, and participation in greening activities. Nevertheless, the implementation still faces several challenges, including inconsistent student discipline and limited supporting facilities within the school. Overall, PAI serves as an educational medium capable of shaping ecological behavior when supported by strong collaboration between schools, teachers, and families.

This community service activity aims to foster the religious character of the community in Timbang Langkat Village through an Islamic literacy program. This program is implemented as a form of contribution from the Real Work Lecture (KKN) students in strengthening religious values in the community by increasing interest in reading, understanding, and practicing Islamic teachings contextually. The activity method is carried out with an approach implemented through counseling, religious studies, group discussions, and relevant, good and correct worship guidance according to the sunnah. The results of the implementation of the activity show a sense of enthusiasm from the community in participating in the literacy activities carried out, as well as the emergence of positive changes in the religious nature and behavior of children and the surrounding community, such as increased awareness of worship, social concern, and enthusiasm for learning worship such as prayer and tilawah. In addition, this activity also fosters a sense of togetherness between students and the community in building an environment with an Islamic character. The continued impact of this activity is seen from the formation of small study groups that independently continue Islamic literacy activities after the program ends. Thus, this Islamic literacy-based community service has proven effective as a means of developing sustainable religious character in the community, while strengthening the synergy between the Muhammadiyah University of North Sumatra and the Timbang Langkat Village community in developing local potential based on Islamic values.