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This study aims to describe the role of parents in increasing the motivation to learn to read and write the Qur'an (BTA) at TPQ Babul Khair Abepura and analyze its impact on the children's abilities. The research uses a qualitative approach with a case study design, involving teachers/ustadz, parents, and students as data sources. Data was collected through observations, interviews, and documentation, and analyzed using the Miles and Huberman model, with its validity tested through source triangulation. The results show that the role of parents is crucial in enhancing children's learning motivation, both as educators, motivators, facilitators, and role models. Active parental involvement has proven to improve discipline, enthusiasm for learning, and children's achievements in reading and writing the Qur'an. On the other hand, a lack of parental involvement negatively affects children's motivation and abilities. The motivation provided by parents helps in the smooth reading of the Qur'an, understanding tajwid, and writing hijaiyah letters. In conclusion, the success of BTA learning is not only dependent on the process at TPQ but is also influenced by parental involvement at home. The synergy between the family and educational institutions is crucial in improving the quality of Qur'an learning and shaping a morally upright generation.

Tobacco is a leading commodity that forms the foundation of the rural economy, but its cultivation faces challenges in the form of labour intensity, significant capital requirements, and farmers' lack of understanding of systematic cost structures. This study aims to analyse the production cost structure and evaluate the economic efficiency of tobacco farming managed by the Batu Daun Farmer Group in Batuan Village, Sumenep Regency. The research method used a qualitative descriptive approach with data collection through in-depth interviews with the head of the farmer group, field observations, and analysis of financial documents as secondary data. The analysis focused on identifying fixed and variable costs, as well as evaluating economic performance using the Break Even Point (BEP) and Revenue-Cost Ratio (R/C) indicators. The results showed that the total production cost was IDR 28,597,500 (fixed costs of IDR 3,450,000 and variable costs of IDR 25,147,500) for the production of 2,800 kg of tobacco with a gross income of IDR 70,000,000. The R/C ratio value of 2.44 (>1) indicates that the business is operating efficiently and profitably, while the BEP of 215.4 kg shows that actual production far exceeds the break-even point, meaning that the business is in an economically safe zone. The results of the study conclude that the tobacco farming business of the Batu Daun Farmer Group is economically viable and efficient.

This study aims to analyze the feasibility of vannamei shrimp farming in Kramat District, Tegal Regency. The research was conducted on several shrimp ponds using semi-intensive and intensive systems. The analysis includes calculations of investment costs, fixed and variable costs, revenues, income, and business feasibility indicators such as R/C Ratio, Payback Period, Break Even Point (BEP), Net Present Value (NPV), and Internal Rate of Return (IRR). The results show that vannamei shrimp farming is feasible, as indicated by an average R/C Ratio of 1.68 and a Payback Period of 1.90. All ponds yielded positive NPV values, with an average of IDR 546,070,598 and an IRR of 58%, which exceeds the 5.5% discount rate. Both price and production BEP values have been surpassed in all farming units. The intensive pond system proved to be more profitable than the semi-intensive system. Therefore, vannamei shrimp farming in Kramat District, particularly in Dampyak Village, has strong financial prospects and is feasible for development through intensive approaches and the application of modern technology.

MSMEs in Ciawi village generally conduct transactions in their business only relying on simple work and through direct buying and selling transactions and there is no recording system that complies with bookkeeping regulations in accounting or only debit credit, so it is very difficult to know the details of cash in and cash out. The service method used is the ABCD Method (Asset-Based-Community-Driven) by accompanying participants to delve deeper into digital marketing and training MSMEs in cash flow-based bookkeeping, including: cash flow, income statement, capital change report, cost of goods sold, and break event point (BEP) digitally. The results of this digital marketing mentoring and cash flow-based bookkeeping preparation are able to prove that MSMEs in Ciawi village can know the details about digital marketing and digital finance regarding the calculation of financial reports, especially knowing the actual profit and loss report, and cash flow of cash expenditures and cash income.

This paper discusses the role of the global minimum tax in addressing tax avoidance by multinational corporations in Indonesia. This policy is the result of an agreement between the OECD/G20 (Organization for Economic Co-operation and Development) in the Base Erosion and Profit Shifting (BEPS) 2.0 project, which aims to reduce global tax avoidance practices by multinational corporations (MNEs). With a minimum rate of 15%, the GMT is expected to create fiscal justice and strengthen the tax base in developing countries like Indonesia. This research uses a qualitative approach based on a review of literature from the OECD, IMF, and academic journals. The analysis shows that the implementation of the GMT has positive potential in increasing state revenues, but also poses administrative challenges and the risk of reducing investment competitiveness. The Indonesian government needs to adjust tax regulations and strengthen fiscal administration capacity to optimize the benefits of this policy. This study also confirms the importance of international cooperation in the successful implementation of the GMT and reducing the potential for tax avoidance by multinational corporations. Furthermore, regular monitoring and evaluation are needed to assess the impact of this policy on the Indonesian economy and to ensure that the implementation of the GMT does not hinder economic growth and investment in strategic sectors.

Sriwijaya 8 Kost is an accommodation business located in Curug Sangereng, Gading Serpong. This business was developed to meet the housing needs of students and workers in the area. This study aims to analyze the feasibility of Sriwijaya 8 Kost based on nine aspects, namely legal aspects, human resource management aspects, market and marketing aspects, technical aspects, consumer behavior aspects, financial aspects, PEST aspects, environmental & industrial aspects, and risk aspects. This study uses a qualitative approach with a case study method through observation, interviews, and document analysis. The results show that the business has great market potential, supported by its strategic location and appropriate consumer segmentation. Technical planning related to facilities, layout, and operations has been well designed to ensure the comfort and safety of residents. Financial analysis shows that the business is feasible with a BEP of 3 rooms per month, a payback period of 7.7 years, an IRR of 5.023%, and an ROI of 129.5%. External factors such as government policies and high demand for housing further strengthen the feasibility of the business. Overall, Sriwijaya 8 Kost is deemed viable for operation and development, with a need for continuous improvement in legality, financial record-keeping, service quality, and risk mitigation.

Break-even point analysis is conducted to assess a company's performance, providing insight into the importance of financial bookkeeping and economic analysis. It can also be used as a consideration for entrepreneurs in making decisions related to sales activities. Break-even point refers to a concept used in financial planning to determine the level of sales or revenue required to cover all costs and expenses, resulting in zero profit or loss. The PKM training is conducted in three stages: the preparation stage, where an initial survey is conducted to determine participants' knowledge of the Break-Even Point (BEP) calculation. The implementation stage, where training is provided to all fishermen on the BEP calculation. The monitoring and evaluation stage, where the implementation of the BEP calculation is monitored and the fishermen's understanding of the break-even point is evaluated. Break-even point (BEP) training is expected to improve business owners' and crew members' understanding of the BEP concept and enable them to apply BEP calculations in decision-making.

Wahno Subdistrict in Abepura District, Jayapura City, faces drainage problems that disrupt the area’s water management function. The varied topography, population growth, and the community’s habit of disposing waste into drainage channels have reduced the system’s capacity and caused frequent waterlogging during rainfall. This study aims to analyze the existing condition of the drainage channels in Wahno and to evaluate their effectiveness in conveying stormwater flow. The research methods include field surveys, channel dimension measurements, capacity calculations, and analysis of the effective volume compared to actual conditions affected by waste and sedimentation. The data were analyzed using quantitative and descriptive approaches to assess the performance level of the drainage system. The results show that most drainage channels in Wahno are not functioning optimally, with an average effectiveness of only 45–60% due to blockages caused by waste and sedimentation. The main factors reducing drainage effectiveness are decreased storage capacity, substandard design, and lack of regular maintenance. It is concluded that improvements to channel capacity, better waste management, and routine maintenance programs are necessary to enhance the drainage system’s effectiveness.

The rapid growth of online transportation services has significantly transformed urban mobility patterns, including in Abepura District, Jayapura City. This study is grounded in the concept of smart mobility, which emphasizes technological integration, efficiency, and accessibility within the smart city framework. The theoretical foundation draws on consumer preference theory and the Customer Satisfaction Index (CSI) model. A quantitative approach was applied through questionnaires distributed to 100 respondents, supported by secondary data on digital infrastructure and local transport regulations. The analytical methods included conjoint analysis to identify user preferences, CSI analysis to assess smart mobility readiness, and spatial analysis to map infrastructure support. The findings indicate that fare and safety are the most influential attributes shaping user preferences, followed by application usability, transport mode, and travel time. Maxim emerged as the most widely used application, followed by Grab and Gojek. The CSI score reached 77.60%, categorized as “highly ready,” though gaps remain in intermodal integration and waiting time efficiency. Spatial analysis confirmed that the coverage of 16 BTS towers in Abepura adequately supports online transportation operations. In conclusion, online transportation services in Abepura District demonstrate strong readiness to support the implementation of smart mobility, yet further improvements are needed in modal integration and operational efficiency to ensure sustainable and inclusive urban mobility.

Settlements are an important aspect in regional development, where settlements reflct human activities in fulfilling basic needs for housing. Wai Mhorock Village is one of the administrative villages located in Abepura District, Jayapura City. Based on Regional Regulation No. 18 of 2006 this study aims to analyze and examine the settlement patterns developing in this village and to identify whether population factors are the main influence on settlement distribution, or whether other factors play a role. The research method used is descriptive quantitative. Data collection was carried out through comprehensive field observation, documentation, in-depth interviews and data processing using applications such as ArcGIS, SPSS, or Excel.The results of this study show that the settlement distribution in Wai Mhorock Village is categorized as dispersed. This pattern occurs due to various factors, and based on regression results, it was found that population variables—such as those not yet working and those already employed—significantly influence the Y coefficient. From these findings, it is expected that policies can be formulated to enhance regional development and to address issues within Wai Mhorock Village.

This study aims to evaluate the financial aspects of vaname shrimp farming (Litopenaeus Vannamei) with intensive methods at CV Megah Prima Agronusa. The research was conducted with a quantitative descriptive approach, using primary data from field observations and additional data from the literature. Indicators used for financial feasibility analysis include income, BEP (Break-even Point), R/C Ratio (Return on Investment Ratio), ROI (Cost Income Ratio), and PP (Payback Period). The findings of this study indicate that vaname shrimp farming with intensive system in CV Megah Prima Agronusa is financially feasible to do. This can be seen from the total income that reached Rp 1. 300. 947. 352, while the total revenue is Rp 5. 498. 214. 400 and total production costs reached Rp 4.197.267.048. The BEP value in Rupiah is Rp 1. 674. 066. 423, while the BEP in number of units was 23. 197 kg. The R/C Ratio obtained is 1. 30, which indicates that this business is feasible because it is greater than 1. The ROI obtained is 63%, which indicates that this business is appropriate because the standard ROI common in companies ranges from 15% to 25%. The resulting payback period is 1.58, meaning the time required to recoup the investment is 1 year, 5 months, and 8 days. This indicates the business is viable, as the standard payback period for real businesses, including agribusinesses, ranges from 3 to 5 years.

This research aims to analyze the financial feasibility and marketing strategy of Etawa goat farming in Kaligesing District, which is recognized as one of the main centers for Etawa goat breeding in Indonesia. The case study was conducted at Setia Farm, a representative and active breeder in the region. The financial analysis employed several indicators, including Break-Even Point (BEP), Net Present Value (NPV), Internal Rate of Return (IRR), and Gross Benefit-Cost Ratio (Gross B/C). The findings show that the Gross B/C value reached 4.7, indicating a high return compared to investment cost. The NPV value was positive, and the IRR exceeded the prevailing loan interest rate, highlighting that the business generates significant profitability over time. Additionally, the BEP was achieved in a relatively short period, which signifies the business has strong potential for short-term capital recovery and low financial risk. From a marketing perspective, Setia Farm implements a combination of product excellence, adaptive pricing strategies, diverse distribution channels, and active promotional efforts. Their flagship products—mainly superior Etawa goats and processed dairy products—are positioned to meet market demand effectively. The farm also uses both direct marketing and digital platforms, such as social media and e-commerce, to expand its reach. Promotion is carried out through agricultural events, online campaigns, and collaboration with livestock communities. These strategies contribute to increasing brand awareness, building customer loyalty, and improving competitiveness. The integration of financial feasibility and strategic marketing supports the sustainability and growth of Etawa goat farming in Kaligesing. The results of this study can serve as a reference for livestock entrepreneurs, investors, and policymakers in developing similar agribusiness models that are profitable, resilient, and market-oriented.

This study aims to analyze the performance and conduct reverse engineering of the Francis Turbine runner at the Tanggari 1 Hydroelectric Power Plant (PLTA Tanggari 1) through 3D scanning and Computational Fluid Dynamics (CFD) simulation. The main objective is to evaluate the turbine's efficiency and identify areas for improvement in the runner geometry. Data from the 3D scan are used to reconstruct a CAD model, which is then numerically tested to predict hydraulic performance. CFD simulations are carried out under various guide vane openings and head variations. The simulation results show a maximum efficiency of 93% at a head of 122.4 meters with a guide vane opening angle of 26° and a flow rate of 8.5 m³/s. The resulting performance curve and hill chart indicate the optimal operating point or Best Efficiency Point (BEP), which serves as a critical reference for turbine operation settings. Flow phenomena such as separation and vortex formation were detected under off-BEP operating conditions, potentially causing pressure fluctuations and vibrations. As a technical recommendation, it is advised to operate the turbine close to the BEP to minimize vibrations and energy losses. Furthermore, the runner geometry obtained from reverse engineering can serve as a basis for component refabrication and the development of new runner designs that are more adaptive to varying load conditions.

This study aims to compare the level of carbon monoxide (CO) air quality in Green Open Space (GOS) and Non-Green Open Space (NGOS) along the Abepura–Sentani main road in Jayapura City. The research was conducted in two locations: the Taman Makam Pahlawan Denzipur Waena (GOS) and the front area of Mega Waena (NGOS). CO levels were measured using a CO smart sensor over a period of one week, with measurements taken in the morning, noon, and afternoon at six sampling points. The findings indicate that CO concentrations are significantly lower in GOS areas compared to NGOS areas. The presence of vegetation in GOS helps reduce CO pollution by acting as a natural filter. These results highlight the importance of maintaining and developing green open spaces in urban areas as part of efforts to reduce air pollution and improve public health.

This research aims to determine the total production costs, total revenue and business income, as well as the break-even point, return on investment, revenue to cost ratio, and payback period in the cultivation of vannamei shrimp (litopenaeus vannamei) over a period of 6 months. The research will be conducted from July to December 2024. It employs a quantitative analysis method with interviews and field observations to collect data. The results of this study show that the total costs incurred amount to Rp 2,370,177,864. Meanwhile, the total revenue generated is Rp 2,798,691,706 and the total business income is Rp 428,513,842. Furthermore, the financial analysis includes the Break Event Point (BEP) or break-even point obtained for this business, which is a BEP price of Rp 65,173/kg and a BEP unit of 6,376.09 Kg, the Return On Investment (ROI) for this business is 22%, the Revenue to Cost Ratio (R/C Ratio) for this business is 1.18, and the Payback Period (PP) for this business is 4.46.

This study aims to analyze the spatial distribution patterns and business characteristics of Coffee Shops in Wai Mhorock Sub-district, Abepura District, Jayapura City. The rapid growth of Coffee Shops in this area is influenced by its strategic location, situated near educational institutions, shopping centers, and social activity hubs. The research employs a quantitative approach with spatial mapping techniques using Geographic Information Systems (GIS) and field surveys to identify the characteristics of each business. The results show that the spatial distribution of Coffee Shops in Wai Mhorock tends to be clustered, with a high concentration along main roads and community activity centers. The characteristics of the businesses vary in terms of venue concept, types of menus offered, operational hours, supporting facilities, and target consumers. Most Coffee Shops target young people such as students and university attendees by offering a cozy atmosphere and free internet access. In conclusion, understanding the spatial patterns and business characteristics of Coffee Shops can serve as a foundation for sustainable urban spatial planning and business development. This study also provides recommendations for entrepreneurs and local governments to consider location, accessibility, and environmental impacts in managing commercial space.

Coastal areas are transitional areas between land and marine ecosystems that are very vulnerable to natural disasters, one of which is abrasion. Coastal abrasion is the process of erosion of coastal areas caused by wave activity, ocean currents, and human activities such as infrastructure development and sand mining. Ciberi Beach (Tanjung Ciberi) located in Enggros Village, Abepura District, Jayapura City, is one of the coastal areas that experiences continuous abrasion. Its strategic location and direct facing the Pacific Ocean makes this area very vulnerable to coastal erosion. Based on the author's experience while conducting Field Work Practices at the Papua River Basin Center (BWS Papua), it is known that abrasion has caused damage to public facilities and significant coastline decline since 2019 (Cepos, 2024). Strong suspicions arose from the community based on the results of interviews conducted that the construction of the Youtefa Bridge contributed to the acceleration of abrasion. Previous research also showed that the rate of abrasion in the Yos Sudarso Bay area, including Ciberi Beach, reached 0.89 meters per year. Therefore, this study aims to analyze the level of damage to Ciberi Beach due to abrasion during the period 2014–2024, and to provide recommendations for handling to reduce the impact of damage in the coastal area.

Land use conversion for vertical hospital development in urban areas represents a strategic response to increasing healthcare demands, particularly in regions with limited land availability. This study aims to analyze the impacts of land use conversion on vertical hospital development in Kelurahan Kota Baru, Abepura District, Jayapura City. The research employs qualitative descriptive methods with spatial analysis and field observations from 2015-2025. Results show significant land conversion from 3.16 hectares (2015) to 0.19 hectares (2025), with wetland areas (58.31%) being the most affected. The study reveals positive impacts including improved healthcare access and local economic growth, alongside negative impacts such as reduced green open spaces and environmental pressure. The findings contribute to sustainable urban planning strategies for healthcare infrastructure development in Papua.

Batik Tanah Liek is one form of Minangkabau cultural heritage that has a unique coloring process that uses natural materials in the form of clay. This study aims to analyze the business planning of Batik Tanah Liek from two main aspects, namely marketing and finance. The method used is a descriptive approach with secondary data and a five-year financial projection simulation. The marketing strategy is focused on cost-based pricing and digital promotion through social media, participation in cultural events, and partnerships with local business actors. Financial analysis includes profit and loss projections, cash flow, and break-even point (BEP) analysis. The results show that the strategy developed is able to provide significant profit growth potential and healthy cash flow. These findings indicate that Batik Tanah Liek has the potential to develop as a competitive and sustainable local fashion brand.

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.