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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.

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.

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.

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.

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.

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 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 study examines the implementation of Fardhu kifayah counseling in Telagah Village, Sei Bingai District, Langkat Regency, focusing on the social and cultural problems and challenges faced by the local community. Telagah Village is known for its rich history, strong traditions, and local wisdom that shape its social life. However, in the practice of handling the deceased, several issues remain, including limited community knowledge, lack of regeneration among younger members, inadequate facilities, and the absence of a designated team responsible for the Fardhu kifayah process. These limitations often lead to dependence on a few individuals who possess the necessary skills, creating sustainability concerns in the long run. Furthermore, cultural aspects such as conservative norms, gender role divisions, and deeply rooted customs influence how the community perceives and accepts Fardhu kifayah counseling. The study highlights that successful implementation requires not only technical guidance but also sensitivity to local values and traditions. Strengthening community participation and fostering collaboration between religious leaders and local authorities are essential to ensure the sustainability and effectiveness of Fardhu kifayah education in Telagah Village.

The agricultural sector plays a vital role in supporting Indonesia's economy, particularly in food provision and increasing rural household income. One of the promising horticultural commodities is California papaya (Carica papaya L.), known for its high productivity and short harvesting cycle. This crop is favored by farmers due to its stable market demand. However, to ensure the financial feasibility of this farming enterprise, a comprehensive financial analysis is necessary. This study aims to analyze the revenue, production costs, income, and financial feasibility of California papaya farming in Hinai Subdistrict, Langkat Regency. The research employed a descriptive quantitative method through a survey approach, with a purposive sample of 34 farmers. Data were analyzed using a farm income analysis approach, including the calculation of fixed costs, variable costs, total revenue, net income, and the Revenue/Cost (R/C) ratio. The results showed that the total production cost was IDR 590.734.000, while the total revenue reached IDR 1.970.685.000. The net income obtained by farmers amounted to IDR 1.379.951.000, with an average income of IDR 40.586.794 per farmer. The R/C ratio was calculated at 3.33, meaning that every IDR 1 spent on production costs generated IDR 3.33  in revenue. California papaya farming in Hinai Subdistrict is financially feasible, provides significant profit, and has strong potential to be further developed as a primary income source for horticultural farmers.

This study aims to determine the relationship between the number of incoming letters and outgoing letters in the form of Assignment Letters (SPT) and Official Travel Orders (SPPD). The research employs a quantitative approach using simple linear regression analysis, with data collected through direct observation and official document records. The findings indicate a positive relationship between incoming and outgoing letters; however, the relationship is not statistically significant (p-value = 0.068). The coefficient of determination (R²) is 0.358, meaning that 35.8% of the variation in outgoing letters is influenced by incoming letters, while the rest is affected by other factors. These results underscore the need for stronger administrative management systems to improve bureaucratic efficiency and accountability.

The transition of children from early childhood education to elementary school (SD) is a critical phase in their psychological and academic development. During this phase, children face significant challenges, including changes to a more structured learning environment and increasing academic demands. At SDN 055991 in Langkat Regency, this phenomenon is reflected in the difficulties experienced by some students, particularly with basic skills such as reading, writing, and arithmetic, as well as with socializing with peers. These difficulties can impact children's long-term academic and social development. This study aims to identify the key factors influencing children's learning readiness during this transition period, utilizing artificial intelligence (AI) technology. Specifically, this study uses Artificial Neural Networks (ANN) and Decision Trees as tools to analyze the data obtained. The use of this data-driven approach allows for a more in-depth analysis of the complex patterns and relationships between various variables that influence children's learning readiness, such as family factors, social environment, and students' basic skills. This study also references various previous studies demonstrating the effectiveness of backpropagation and Deep Learning algorithms in the context of education and student performance prediction. This approach is expected to provide more precise solutions for understanding children's learning readiness and provide a more accurate picture of the factors contributing to difficulties experienced by students in the transition to elementary school. The results of this study are expected to provide relevant recommendations for parents, educators, and education policymakers to support children's learning readiness and strengthen basic education policies that are adaptive to the needs of students in this digital era.

The Community-Based Sanitation Program (PAMSIMAS) is a government initiative aimed at improving community access to proper sanitation facilities, particularly in rural areas. This study aims to evaluate the effectiveness of the program in Tanjung Aman Village, Wampu District, Langkat Regency. A qualitative approach was used with a phenomenological method, focusing on the experiences and perceptions of local residents and village officials regarding program implementation. Data were collected through in-depth interviews, field observations, and documentation, involving 15 informants comprising residents, sanitation cadres, and village officials. The findings show that technically, the sanitation facilities function well; however, sustainability in usage faces challenges such as low community participation, weak maintenance systems, and the absence of binding local regulations. Community perception of the program is generally positive, particularly regarding improvements in environmental cleanliness and comfort in using the facilities, yet unequal access remains a significant issue. The study concludes that the success of PAMSIMAS largely depends on collaboration among the community, local cadres, and village policies. Strategic recommendations include the formulation of Village Regulations, regular training for cadres, and the establishment of a community-based sanitation management institution. With this approach, the program is expected to operate sustainably and provide long-term benefits to rural communities.

This study aims to analyze the implementation of Total Quality Management (TQM) and its influence on employee performance at the Kepiting Soka Micro, Small, and Medium Enterprise (MSME) in Pangkalan Batu, Langkat Regency. This MSME operates in the soft-shell crab processing sector and faces challenges in maintaining product quality and production efficiency. The research uses a qualitative descriptive method, with data collection techniques including observation, interviews, and documentation. The results show that TQM implementation remains informal and unstructured. Although work practices such as precision and compliance with instructions reflect basic TQM principles, employee understanding of the concept is limited. Employee involvement in quality evaluation is also minimal, and there is no documented quality management system in place. The main obstacles In applying TQM in this MSME include a lack of training, limited resources, and the absence of clear Standard Operating Procedures (SOPs). Therefore, a gradual implementation of TQM is necessary, starting with the development of SOPs, regular training, and strengthening commitment to quality. These steps are expected to improve employee performance and enhance the competitiveness of The product in the market.    

This study aims to analyze the influence of accountability, transparency, rule of law, effectiveness, and efficiency on local government performance with supervision as a moderating variable in the Langkat Regency Government. This study uses an associative research method with a quantitative approach based on numbers. The study population consisted of 40 Regional Work Units (SKPD) with 120 respondents determined through purposive sampling techniques, with the criteria of heads of departments/agencies, secretaries, and treasurers who have served for at least the last five years. Primary data were obtained through distributing questionnaires using a Likert scale, and data analysis was carried out with the help of SmartPLS 4.0 software. The results of the study indicate that the variables of accountability, transparency, rule of law, and effectiveness and efficiency have a positive and significant effect on local government performance. However, the results of the moderation test indicate that supervision only plays a significant role as a moderating variable in strengthening the relationship between the rule of law and local government performance. Meanwhile, supervision does not significantly moderate the relationship between accountability, transparency, and effectiveness and efficiency on local government performance. These findings are expected to be a consideration for local governments in improving the quality of governance, especially through strengthening the rule of law supported by an effective monitoring system.

Community service is an integral part of higher education which aims to provide a positive impact on the community. The service program implemented in Binjai, Langkat Regency, aims to increase Al-Qur'an literacy among the community through the method of reciting and reciting the Al-Qur'an. This activity involves students as facilitators in guiding the reading of the Al-Qur'an, teaching Iqro, and coordinating learning with the target of completing 30 juz in nine days. The main methods applied are talaqqi and classical, which have proven effective in accelerating understanding and fluency in reading the Al-Qur'an. The results of this program show a significant increase in the ability to read the Al-Qur'an, both in terms of fluency and understanding of recitation. Apart from that, this activity also has an impact on the social aspect by strengthening relationships between community members and fostering religious enthusiasm. It is hoped that this program can become a model for increasing religious literacy in society and will continue to be developed with more sustainable innovation.

Every business definitely wants to expand its business by opening new branches in different regions to increase income and become a successful business. To open a new business branch, of course, a lot of consideration is needed before making a decision. So that the decision is correct and in accordance with needs, Research is used in its implementation. Therefore, this research applies a decision support system using the Multi Attribute Utility Theory (MAUT) method in selecting a new branch location for the Tokepangsit Medan business which will open a new branch in Langkat Regency. With this method, the decision result obtained is alternative 4, namely Selesai District, which gets the highest score of 0.640.

This study aims to analyze the development of the Bukit Lawang tourism area. The research employs descriptive and qualitative data analysis, focusing on a problem-solving approach that is based on descriptions rather than numerical data. The purpose of using a qualitative research method is to facilitate a better understanding of information from the sources used as data, providing an effective comprehension of the ecotourism development strategy being studied. The qualitative analysis involves data collection through interviews, observations, documentation, and other methods. The research findings indicate that income from the development of the Bukit Lawang tourism sector has not significantly impacted the local revenue (PAD) of Langkat Regency as a whole. This is because Bukit Lawang tourism has not been fully implemented and managed effectively by the government. Tourism and conservation activities in Bukit Lawang have yet to be supported by proper tourism area planning, which is essential for sustainable tourism. The land division by the government is currently limited to conservation areas, plantations, and community-owned lands. Sustainable tourism land use planning would make Bukit Lawang a more responsive area. Achieving a sustainable tourism area in Bukit Lawang requires the involvement of both the government and local communities.

The purpose of this study is to find out the utilization of natural resources managed by residents based on Islamic economics as sustainable development. This study uses a qualitative research approach. This type of research is Field research. This research was conducted at the Karo Indah Natural Bath located in Namu Ukur Sel., Sei Bingai District, Lalat Regency, North Sumatra. In this study, the primary data used was sourced from interviews, namely with the tourism manager of the Karo Indah Natural Bath and interviews with traders and the community around 2 people. The data collection technique in this study is through interviews and direct observation. The data analysis technique in this study is data reduction where the researcher will describe how to optimize the population in utilizing natural resources in improving sustainable development (SDGs) in Namu Ukur Langkat village from an Islamic economic perspective. The results of the study show that the Karo Indah Nature Bath tourist attraction in the perspective of Islamic economics is in line because there is a sale and purchase contract that is allowed in Islam and the norms that exist in society and do not contradict the law related to Islamic economics. Where this is seen from the business with an increase in halal income is carried out in a good way and for a good purpose as well. Then, the residents of Namu Ukur village also use natural resources well and not excessively, in the sense that residents always maintain the cleanliness and beauty of the natural resources used. In this case, the community's economy has also increased due to the existence of long business opportunities by utilizing these natural resources.

This service aims to socialize the mathematical connection to the concept of Element (demand and supply for MSME products in North Pelawi Village, Babalan District, Langkat Regency. This service activity is carried out by a service team consisting of lecturers and students who aim to provide briefings in the form of socialization to the community of business actors and MSME owners where with this activity it is hoped that there will be awareness and motivation of business actors to relieve the importance of applying mathematical concepts in the context of the connection or tension between the amount of demand and supply. So to predict the amount of demand and the amount of supply at a certain price is not difficult. Because with the ability to predict and control the number of goods offered, the price will be able to be conditioned to be stable and still within reasonable limits. For this reason, the role of business actors has a great influence on the sustainability and development of the business carried out so that the goal of obtaining maximum profits for better MSME performance is obtained. This service was carried out in North Pelawi Village by previously recording business actors around North Pelawi Village with the aim that MSMEs that have been run so far can better apply an understanding of mathematical concepts that are connected to the demand and supply elements for products produced in a certain period or period of time.