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The rapid growth of Solar Power Plant (PLTS) installations in Indonesia faces efficiency challenges due to the continuously changing position of the sun. Fixed panel systems cannot absorb solar radiation optimally throughout the day. This study aims to evaluate and compare the efficiency of various solar tracking system methods developed over the last five years using a simple literature review approach. The research method was conducted by collecting, screening, and synthesizing secondary data from five reputable scientific journals using a synthesis matrix. The review results indicate that single-axis tracking systems increase power efficiency by 15% to 24.5%. Meanwhile, dual-axis systems achieve higher efficiency, ranging from 30% to 35%, by tracking both horizontal and vertical solar movements. In terms of control systems, astronomical algorithms are found to be more reliable in cloudy weather conditions than pure light sensors. However, the internal power consumption of the actuator motors remains a critical factor that can reduce the system's net energy gain. The implication of this study emphasizes the importance of shifting future research focus toward energy-saving algorithm optimization to maximize net power yield in dynamic solar panel implementations.

This community engagement program aimed to strengthen community empowerment through legal and financial literacy initiatives designed to support sustainable social development in Uttarakhand, India. The program involved rural and semi-urban communities, including local residents, youth groups, small entrepreneurs, and women’s associations, many of whom demonstrated limited understanding of legal rights, financial management, and sustainable economic practices. These limitations reduced their participation in local development initiatives and community decision-making processes. To address these challenges, the program implemented participatory workshops, legal awareness campaigns, financial literacy training, and mentoring activities over a three-month period involving 60 participants. The findings indicated significant improvements in participants’ understanding of legal rights, budgeting practices, savings management, entrepreneurial planning, and financial decision-making skills. Qualitative results further revealed stronger community participation, increased confidence in social engagement, and improved awareness regarding social responsibility and sustainable development. Participants also became more actively involved in local economic and community activities after completing the program.

This study aims to develop a financial saving application to improve the saving habits of students, particularly in Islamic boarding schools, through an adaptive challenge approach. The system integrates a mobile iOS application with a backend service and Large Language Model (LLM) processing via Ollama. Transaction data entered by users is processed by the backend to generate contextual and personalized saving challenges, applying Reinforcement Learning concepts in an adaptive and data-driven manner. The research adopts a descriptive quantitative method using surveys and system testing with 50 respondents. Results indicate that the application functions as designed, with no significant bugs detected. User evaluation shows high satisfaction, with an average score of 4.3 out of 5, covering ease of use, interface design, and increased awareness of saving. The combination of gamification, reward systems, and adaptive personalization successfully motivates users to save regularly. This system demonstrates the potential of integrating AI-driven personalization to strengthen financial literacy and healthy financial habits among students in a fun and interactive way.methods, and a summary of the results. The abstract should end with a comment about the significance of the results or conclusions brief.

This study aims to analyze the diffusion of the SIMPEL-DUKCAPIL innovation in population administration services in Bengkalis Regency. The study employs a descriptive qualitative approach using Everett M. Rogers’ diffusion of innovation theory, which includes five attributes: relative advantage, compatibility, complexity, trialability, and observability. Data were collected through interviews, observation, documentation, and triangulation involving 19 informants consisting of officials from the Population and Civil Registration Office and service users. Data analysis was conducted using the Miles and Huberman interactive model, including data reduction, data display, and conclusion drawing. The results show that SIMPEL-DUKCAPIL provides relative advantages in improving time efficiency, cost savings, and service accessibility, particularly for communities in archipelagic areas. The data indicate 2,311 application users in 2025 with unequal distribution across sub-districts, along with 107 blank spot areas that hinder digital service access. The compatibility and observability dimensions are relatively strong, as the application aligns with service needs and its benefits are directly perceived by users. However, the adoption process remains suboptimal due to challenges in complexity and trialability, including low digital literacy, limited internet infrastructure, technical system issues, and user preference for face-to-face services. This study highlights that innovation diffusion in archipelagic regions is not solely determined by application quality, but also by infrastructure readiness, socialization strategies, and community digital capabilities.

Low financial literacy among students, particularly in Islamic boarding schools, poses a challenge in fostering early economic independence. At Pondok Pesantren NW Montong Lisung, students generally lack the ability to manage pocket money, maintain financial records, and develop saving habits. This condition underlies the implementation of a community service program aimed at building smart financial habits through financial management education. The method employed a participatory approach consisting of counseling, training, and mentoring stages. Evaluation was conducted using pre-test and post-test, observation, and assessment of students’ financial record practices. The results showed a significant improvement in students’ financial literacy, increasing from an average of 42.5% to 79.5%, along with positive behavioral changes such as increased saving habits and better expense control. These findings indicate that financial management education is effective in improving students’ financial understanding and skills. Therefore, this program is important to be implemented sustainably to support the development of students’ economic independence in the future.

This study exaimines whether today’s youth represent a “saving generation” or a “forced generation” in respondingto rising inflation.the increasing cost of living has significantly affected young people’s consumption patterns,financial planning,and lifestyle choices.this researchaims to analyze how inflation influences the economic behavior of young people and to identify whether their frugality is driven by financial awereness or economic pressure.the study employs a qualitative descrective approach,using interviews and literature analysis to explore the experience of young individuals in managing their finances amid economic uncertainty.the findings indicate that although some young people demosntrate improved financial literacy and budgeting skills,many are compelled to reduce concumption,postpone personal goals,and limit social activities due to limited income and rising prices.Inflation has reshaped priorites,encouraging survival-oriented financial strategies rather than long-term wealth planning.the study concludes that the current generation reflects a combination of both conscious constraint.therefore,policy interventions,financial educations programs,and employment opportunities are essential to strengthen youth economic resilience.the implications of supporting young people in  developing sustainable financial habits while addressing structural economic challenges that influence their financial stability.

This study aims to analyze the level of financial literacy and examine its influence on the household welfare of vegetable farmers. Agricultural households, particularly smallholder vegetable farmers, frequently experience economic vulnerability due to several structural challenges such as unstable agricultural income, seasonal production patterns, fluctuating market prices, limited access to formal financial services, and inadequate financial management skills. These conditions often make farm households more susceptible to economic shocks, including crop failure, input price increases, or sudden market price declines. In this context, financial literacy becomes an essential capability that enables farmers to manage their financial resources more effectively.This research employed a quantitative research design using a survey approach. The study involved 120 vegetable farmers selected as respondents from major vegetable-producing areas. Data were collected through structured questionnaires designed to measure farmers’ financial literacy levels and household welfare conditions. Financial literacy was assessed through indicators such as financial knowledge, financial behavior, and financial attitudes, while household welfare was evaluated based on indicators including consumption stability, education and health expenditures, savings capacity, and overall economic resilience. The collected data were analyzed using descriptive statistics to describe the characteristics and financial literacy levels of respondents, and multiple linear regression analysis to examine the relationship between financial literacy and household welfare.The results of this study highlight the importance of strengthening financial education programs targeted at agricultural communities. Improving financial literacy among vegetable farmers can contribute not only to better household financial management but also to broader rural economic development. Therefore, financial education initiatives should be integrated into agricultural extension programs, farmer group activities, and local government development strategies. Such initiatives may include training in household financial planning, simple bookkeeping for farm businesses, savings management, and responsible credit use. By enhancing farmers’ financial capabilities, these programs can help improve household welfare, strengthen rural economic resilience, and support the long-term sustainability of the agricultural sector.

The development of automotive technology continuously seeks solutions to improve human mobility and address environmental concerns. This study focuses on the Hydrogen Reactor (HHO) technology as an alternative solution for fuel efficiency and emission reduction, specifically examining the legal protection of consumers utilizing this technology at Bengkel Karya Gemilang. The research aims to analyze the legal framework of consumer protection in the context of new energy-saving technologies and to identify the legal responsibilities of business actors (workshops) and the rights of consumers. Employing a normative legal research method with a case study approach, the study analyzes the implementation of Law No. 8 of 1999 concerning Consumer Protection (UUPK) in the utilization of HHO reactors. The findings indicate that while the HHO reactor technology offers a potential 5-15% increase in fuel efficiency and CO emission reduction, its implementation introduces new legal challenges, particularly regarding product safety, standardization, and the obligation for periodic servicing. Consumer protection is primarily ensured through the workshop’s obligation to provide clear product explanations, guarantee product safety, and fulfill the periodic service commitment. The study concludes that the existing UUPK provides a sufficient legal basis, but its implementation requires clear and transparent agreements, especially concerning the technical specifications and long-term maintenance of the HHO reactor, to ensure consumer rights are fully protected against potential risks associated with new, non-standardized automotive technologies.

Savings and Loan Cooperatives (KSP) play a vital role in expanding community access to capital, especially within the informal sector. Nevertheless, non-performing loans remain a persistent challenge that can threaten liquidity and long-term institutional sustainability. KSP CU Mera Ndi Ate faces similar issues, which are assumed to stem not only from administrative weaknesses but also from members’ perceptions and behavioral factors. This research aims to examine the potential causes of non-performing loans through text-based sentiment analysis using an unsupervised learning approach. A quantitative method with a data mining framework was applied. Data were gathered through interviews, observations, documentation, and 200 customer opinion texts processed using the Orange Data Mining application. The analytical stages included preprocessing, corpus development, feature extraction, sentiment clustering, and visualization. Because the dataset lacked predefined labels, unsupervised learning was used to identify naturally emerging sentiment patterns. Findings reveal a predominance of critical sentiments related to credit assessment procedures and service quality. The highest sentiment score (75) concerned insufficient creditworthiness evaluation, followed by concerns about service efficiency (66.6667). These insights suggest that improving assessment accuracy and service quality may help reduce non-performing loans.

Limited access to adequate housing remains a major challenge for low-income households in Indonesia, including in Banyumas Regency. The subsidized housing program has been implemented as a public policy instrument to improve housing affordability while enhancing social and economic welfare. This study aims to analyze the role of subsidized housing in improving housing access and the economic conditions of low-income communities in Banyumas Regency. The research adopts a qualitative approach using a documentation study method by collecting and analyzing policy documents, official government reports, scholarly journal articles, and relevant publications related to subsidized housing and the socio-economic conditions of low-income households. Data analysis was conducted through content analysis to interpret the role of subsidized housing based on indicators of housing affordability and household economic impacts. The findings indicate that subsidized housing significantly reduces the housing cost burden of low-income households from levels exceeding the affordability threshold to a more economically manageable range. The reduction in housing expenditure contributes positively to household economic stability by allowing savings and reallocation of income toward productive needs such as education, healthcare, and financial security. However, the effectiveness of subsidized housing in improving economic outcomes is still influenced by location and accessibility of housing areas. This study concludes that subsidized housing plays a crucial role in expanding housing access and improving the economic conditions of low-income communities, while requiring integrated and sustainable policy support to maximize its long-term benefits.

This Community Service Program (PkM) aims to strengthen the role of adolescent parents through education on parenting during puberty and family financial literacy in Lembang Tondon Langi’, Tondon District, North Toraja Regency. Through two training sessions led by Ibu Rio Rita Pakan and Ibu Westerini, the program focused on enhancing the knowledge and skills of parents in addressing the challenges of parenting adolescent children and managing household finances. The first session, which addressed parenting during puberty, provided parents with insights into the characteristics of adolescent development and effective communication strategies. The second session, which focused on family financial management, offered practical skills in budgeting, debt management, and saving for the future. The results of the program showed that parents in Lembang Tondon Langi’ felt more prepared and confident in applying a more open and adaptive approach to parenting, as well as becoming more prudent in managing household finances. The enhancement of skills in both areas is expected to create more harmonious families and greater financial stability. The sustainability of the program is recommended through the formation of ongoing discussion groups and the active involvement of community leaders. This program has contributed positively to family welfare and the empowerment of parents in rural areas

Urban waste management remains a major challenge in achieving a clean and sustainable environment, including in Bontoduri Sub-district, Makassar City. Waste banks, as a community-based waste management model, have significant potential to reduce waste generation while creating economic value. However, in practice, the role of waste banks has not been fully optimized due to limitations in institutional capacity, community participation, and managerial practices. This community service activity aimed to strengthen the role of waste banks in promoting a clean and economically valuable environment through participatory and community empowerment approaches. The methods employed included preparation, environmental education and socialization, waste bank management training, institutional mentoring, and activity evaluation. The program involved approximately 30 participants consisting of waste bank managers, local government representatives, and community members. The results indicated an increase in community awareness and understanding of waste segregation, improved managerial and administrative capacities of waste bank operators, and enhanced community participation in waste-saving activities. In addition, waste banks contributed to generating added economic value from household waste and reducing the volume of waste disposed of into the environment and landfills. This activity concludes that strengthening the role of waste banks through education, training, and continuous mentoring can serve as an effective strategy to support sustainable urban waste management based on circular economy principles.

Developments in information technology have had a significant impact on business communication and negotiation processes in various industrial sectors. Technological advances such as email, video conferencing, instant messaging applications, cloud-based information systems, and other digital media have created new, faster, more efficient, and more documented communication models. This study uses a descriptive approach based on a literature review to analyze how information technology is transforming interaction patterns, strategies, and negotiation processes in the modern business environment. The results indicate that information technology plays a strategic role in increasing the effectiveness of business communication and accelerating the negotiation process. Advantages such as cost savings, time flexibility, global access, and automated documentation are the main reasons for the increasing use of digital media in the business world. However, digital negotiation also presents challenges such as the loss of non-verbal context, the risk of miscommunication, data security issues, and limitations in interpersonal relationships. The conclusion of this study confirms that successful negotiations in the digital era are greatly influenced by interpersonal communication skills, digital literacy, appropriate media selection, and the implementation of negotiation strategies that adapt to technological changes.

The biggest challenge faced by the community, especially vulnerable and poor groups, is the cost of managing chronic diseases. Even though there is national health insurance, non-medical costs, costs arising from self-medication, and limitations on certain benefits are still often obstacles that cause high out-of-pocket expenses for the community. The high costs of curative and rehabilitative care indicate that preventive and promotive efforts must be significantly improved, and one way to support the sustainability of these efforts is through a pre-emptive health financing scheme. Community service activities are carried out using a participatory approach so that community members are actively involved in the activities. The activities are carried out in three stages, that is preparation or needs identification, implementation and evaluation. The results of the activity show that the community's knowledge increased significantly because of the community service activity. Participants who took part in the activity also successfully designed a community-based financing scheme involving health savings, whereby each member makes agreed monthly contributions. This community service project demonstrates that community empowerment through the establishment of a pre-emptive financing scheme for chronic diseases can provide an effective, sustainable solution for improving public health.

Management accounting helps managers make strategic decisions, manage production costs, and create financial plans in a competitive environment and the challenges of digital transformation.  Field observations, discussions with company owners and employees, and examination of documents such as financial reports and expense records are qualitative descriptive methods using a case study approach.  Simplification, presentation, and conclusion methods based on Miles and Huberman are used to process information, with an emphasis on small to medium-sized printing companies. The results show that the use of management accounting, which includes activity-based costing and break-even analysis, can effectively increase cost savings (such as paper and ink usage), operational efficiency (by creating new products and managing the distribution chain), and competitiveness by raising rates and improving standards.  However, the use of simple Excel is a good start, but major problems include unskilled labor, manual recording, and lack of technology adoption.  Essentially, management accounting helps save money and adapt to contemporary trends such as print-on-demand.They also suggest things such as the use of accounting software, employee education, and Total Quality Management (TQM) to reduce quality costs.  This study provides printing industry operators with a practical perspective for implementing best practices and surviving in the international market.  

This study explores the integration of financial numeracy with local wisdom in mathematics education in Indonesia. By incorporating real-life financial scenarios, such as budgeting, saving, and investment calculations, into mathematics lessons, the research aims to enhance students' understanding of mathematical concepts while simultaneously improving their financial literacy. The study also emphasizes the importance of using local cultural and economic knowledge as a context for learning, making abstract mathematical concepts more relevant and accessible. The findings suggest that contextualizing mathematics education through local wisdom significantly improves student engagement, understanding, and practical application of mathematical knowledge. The integration of financial numeracy helps students make informed financial decisions and prepares them for future financial challenges. This research contributes to the development of a mathematics curriculum that combines financial literacy with local context, offering a more inclusive, relevant, and practical approach to education. The study’s findings contribute to the ongoing development of more inclusive, relevant, and practical educational frameworks that incorporate financial literacy into the mathematics curriculum.

This study aims to analyze the implementation of financial reporting and evaluate the economic performance of Koperasi Simpan Pinjam dan Pembiayaan Syariah (KSPPS) Nur Insani during the period from 2022 to 2023. A descriptive qualitative method was employed, utilizing secondary data from the Statement of Financial Position, Cash Flow Statement, and Operating Results Report published by the cooperative. The findings indicate that KSPPS Nur Insani has implemented a computerized financial recording system, which enhances accuracy, transparency, and operational efficiency. However, the cooperative experienced significant financial pressure in 2023, as indicated by decreases in cash and cash equivalents, total assets, and temporary syirkah funds, both short-term and long-term. These declines reflect weakened liquidity and reduced fundraising capacity from members. Despite these challenges, the cooperative succeeded in increasing its Net Operating Results (SHU), demonstrating effective revenue management and operational cost control. Overall, the profitability of KSPPS Nur Insani remains positive, yet strategic improvements are necessary, particularly in strengthening liquidity management, increasing funding sources, optimizing asset utilization, and enhancing digital system implementation to support better financial governance. These strategic efforts are expected to improve business sustainability and maintain member trust in the future.

This study aims to analyze the role of the Makmur Mandiri Savings and Loan Cooperative (KSP) in supporting the development of Micro, Small, and Medium Enterprises (MSMEs). KSP Makmur Mandiri serves as a microfinance institution providing financial access and business mentoring for MSME actors. The method used is qualitative descriptive with a Group Investigation approach, involving group discussions to gain deeper insights from relevant literature sources such as journals and books. The theoretical review supports understanding the cooperative’s role in improving member welfare and the obstacles faced in managing and developing MSMEs. The findings show that KSP Makmur Mandiri has succeeded in providing continuous capital and support, helping MSMEs to survive and grow despite economic challenges, especially after the pandemic. However, the cooperative faces various internal and external obstacles that require strategic collaboration for sustainable development. The implication of this study is to encourage enhanced managerial capacity of cooperatives and the need for stronger government policy support to optimize the cooperative’s role as a strategic partner for MSMEs.

In this era of digital disruption, Islamic banks face significant challenges in maintaining public trust. Despite growth in assets and market share, many believe that Islamic banks operatein much the same way as conventional banks, while financing marginsare often considered higher than conventional bank interest rates. This perception contributes to low public trust, declining interest in saving, and public hesitation in using Islamic financing products. This study aims to explore how entrepreneurialinnovation and internalization of da'wah values canbe strategies to rebuild public trust in Islamic banks. Using the library research method, this study analyzes secondary data from scientific journals, reports, andliterature related to Islamic banking, digital transformation, and Islamic managerial ethics Islam. The results of the study show that the integration of dakwah princip lessuch as transparency, fairness, and ethical management in entrepreneurial practicesand digital innovation can strengthen public trust andincrease the competitiveness of Islamic banks. This study provides theoretical and practical insights for Islamic banks to align digital innovation and business strategies with core Islamic values, there by supporting financial sustainability and social legitimacy.

This study investigates the impact of green accounting practices on corporate environmental performance, with a focus on manufacturing firms in Indonesia. Green accounting, which involves the identification, measurement, and reporting of environmental costs, is increasingly recognized as a strategic tool for enhancing corporate accountability and sustainability. However, in developing countries, its implementation remains limited and fragmented. Using a qualitative approach, this research explores how green accounting mechanisms are integrated into corporate decision-making processes and how they influence key environmental performance indicators such as energy efficiency and waste reduction. Data were collected through semi structured interviews with environmental and finance managers from five companies actively participating in the PROPER environmental rating program. Thematic analysis revealed that firms with advanced environmental accounting practices achieved higher energy savings and waste reduction outcomes, as well as superior PROPER ratings. These improvements are directly linked to the strategic use of environmental data in operational planning and investment decisions. Nonetheless, challenges such as the lack of technical guidelines, insufficient human resources, and the absence of standardized frameworks remain significant barriers to broader adoption. The study contributes to the growing literature on sustainability accounting in emerging economies and offers practical implications for policymakers and corporate practitioners seeking to institutionalize green accounting as part of sustainable business governance.