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In the era of digital transformation, modern, systematic, and integrated archive management has become a crucial element in creating effective, efficient, and accountable education governance. Office Management and Business Services (MPLB) teachers in East Java still face obstacles in implementing technology-based archive management due to limited digital literacy, lack of supporting facilities, and minimal ongoing training relevant to 21st-century needs. This Community Service (PKM) activity aims to improve the professional competence of MPLB teachers in modern archive management through interactive workshop-based training, intensive mentoring, and direct simulation of the use of digital archiving applications. The implementation methods included participant needs analysis, problem-solving-based module development, digital archive management practice using a cloud system, and pre-test and post-test-based evaluation to measure competency improvement. The results of the activity showed an average increase in participant understanding of 42%, a 58% increase in operational skills in using archiving applications, and a 35% increase in archive management time efficiency. In addition, teachers are able to implement an electronic file classification system in schools and build a database of digitized documents. These activities strengthen transparent and sustainable educational administration, as well as supporting the realization of inclusive and globally competitive education in line with the Asta Cita vision towards Indonesia Emas 2030.

Micro-Hydro Power Plant (MHPP) is a renewable energy solution suitable for remote rural areas with river flow availability. This study was carried out in Kampung 17, Batulawang Village, West Java, through the Community Service Program of HMM ITPLN, by designing and implementing a simplified MHPP system. The analysis indicates a hydraulic power potential of 1.511 kW with an effective head of 3.08 m and a discharge of 0.005 m³/s. Of this potential, the maximum utilized power reached 1.108 kW, equivalent to 73.32% of hydraulic energy utilization. The system is capable of producing approximately 26.6 kWh per day or around 798 kWh per month, matching the total demand of 12 households and one mosque in Kampung 17. If this demand were supplied by the national grid (PLN) under the R-1/TR 1300 VA category at Rp1,444.70 per kWh, the monthly cost would amount to approximately Rp1,152,870. Hence, the MHPP enables annual savings of around Rp13.8 million while ensuring local energy independence

As an umaro who contributed to the revival of Javanese culture, especially in the field of literature, Mangkunagoro IV was referred to as an umaro and ulama. Wedhatama fiber is the work of Mangkunagoro IV which is a form of Mangkunagoro IV's concern and sensitivity to the state of society at that time which experienced a moral crisis due to the entry of foreign cultures, so that Mangkunagoro IV wrote many ethical teachings in accordance with the personality of the Javanese people. This community service seeks to identify the concept of Mangkunagoro IV Da'wah Management. This community service uses participations reports. Mangkunagoro IV had a close relationship with the three previous rulers in the religious field.

Post-harvest handling of fish requires an effective cold chain system, including the availability of ice factories, to preserve the quality and freshness of catches. The presence of an ice factory enables fishermen to bring ice during fishing trips, ensuring the catch remains safe for consumption. The planning of a portable mini ice factory in Ciwaru Village, located within the Ciletuh National Geopark, aims to maintain fish quality along the southern coast of West Java. Although several ice factories exist in Sukabumi Regency, their availability at fish landing sites such as the Ciwaru Fish Auction Place (TPI) remains insufficient. According to the Regulation of the Minister of Marine Affairs and Fisheries No. 2 of 2021, assistance for ice factory construction is provided to fishermen groups following a feasibility study submission. This community service project aims to assist fishermen cooperatives in improving cold chain management and preparing a feasibility study for ice factory development. Key issues identified include limited human resource competence, hygiene and sanitation challenges, feasibility study preparation, and internal communication enhancement within cooperatives. Solutions are implemented through training programs, cold chain method applications, feasibility analysis for mini ice factories, and the development of an information system for fishermen. The planned ice factory unit has a capacity of 1 ton per 8-hour cycle, supported by three freshwater wells near the site. Economic analysis reveals an NPV of Rp1,170,676,141, an IRR of 10.91%, and a Net B/C Ratio of 1.64, with a BEP at 311 tons/year, well below the installed capacity of 788 tons/year, confirming its economic viability. The resulting feasibility study will serve as the basis for applying for government assistance, complemented by scientific publications, national media coverage, video documentation, and intellectual property registration.

Character in the sense of attitude or behavior is closely related to language, and this relationship is logical or structural because language is a reflection of a person's attitudes and behavior.  Language is a symbol of human existence that can be known about their desires, educational background, customs, even their region or country of origin.  When someone communicates by choosing polite words and expressions, that person will use good sentences. Providing direction and socialization about positive language attitudes can improve language skills and foster polite and polite character among teenagers. This community service activity was held at youth youth organization Rt.001/Rw.004 Tanah Baru, Beji, Depok City, West Java. The way to select partners is based on survey and interview results, namely that the majority of teenagers still often use slang and viral language that is not educational. The method of implementing this activity is education as well as direction and socialization. The results of this community service activity are Karang Taruna youth have gained knowledge and experience regarding polite and polite character through positive language attitudes so that it will really help teenagers in socializing with their surrounding environment.

Mental toughness training is an important requirement for young Petanque athletes, given that this sport demands high concentration, emotional stability, and the ability to respond quickly and appropriately to competitive pressure. This community service program aims to improve the psychological abilities of young athletes through training focused on anxiety management, strengthening focus, developing a positive mindset, and increasing self-confidence. The training method was conducted classically through the delivery of material and direct practice designed according to the psychological needs of FOPI East Java athletes. The evaluation of the training results showed an increase in mental toughness, reflected in the athletes' ability to cope with the pressure of competition, maintain calm, and maintain concentration in competitive situations. The athletes also showed an increase in mental preparedness, a more stable response to pressure, and a more positive mindset towards their abilities. These results indicate that psychological intervention through mental resilience training plays an important role in supporting the performance of Petanque athletes, while also serving as the basis for the development of follow-up programs that focus on mental aspects as an integral part of performance development. This program makes a significant contribution to the character building and competitive readiness of young athletes on an ongoing basis.