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This research investigates intelligent cooling system design for main ship engines operating in tropical waters, integrating advanced machinery engineering with human factors to address thermal management challenges affecting engine performance, reliability, and crew operational effectiveness. Tropical maritime environments impose severe cooling demands through elevated seawater temperatures (28-32°C), high ambient conditions (28-35°C), and accelerated biofouling, reducing conventional cooling system effectiveness by 15-25% while increasing maintenance burdens and operational risks. Through qualitative analysis involving marine engineers, chief engineers with tropical operational experience, cooling system manufacturers, naval architects, automation specialists, and maritime training institutions, this study examines how intelligent cooling systems incorporating variable-speed pumps, adaptive control algorithms, predictive maintenance, and crew-centered interfaces can optimize thermal management while supporting effective human-machine collaboration. Results demonstrate that intelligent systems can reduce cooling energy consumption by 20-35%, improve temperature stability by 50-65%, extend maintenance intervals by 40-80%, and enhance crew situational awareness through intuitive monitoring interfaces, while requiring comprehensive training programs developing technical understanding and operational competencies. Key implementation challenges include control system complexity, sensor reliability in harsh marine environments, integration with existing engine management platforms, crew competency development requirements, and lifecycle cost justification. Findings reveal that successful intelligent cooling system implementation requires holistic sociotechnical approach addressing machinery engineering optimization, automation technology deployment, and human capability development through coordinated design and training strategies. This research contributes to marine engineering literature by providing integrated frameworks for intelligent system design incorporating machinery performance, automation capabilities, and human factors supporting operational excellence in tropical maritime operations.

Character education faces significant challenges due to digital disruption and globalization that trigger moral degradation in adolescents. In Purwakarta Regency, the "7 Poe Atikan" policy through Regent Regulation No. 69 of 2015 was implemented as a transformative solution based on local wisdom. This study aims to analyze the implementation mechanism, the character values ​​formed, and the supporting and inhibiting factors of the "7 Poe Atikan" program for students of SMPN 1 Maniis. This study uses a qualitative approach with a descriptive literature method. Data are sourced from official documents, educational reports, and related scientific articles over the past seven years. The analysis shows that the implementation of "7 Poe Atikan" in Maniis District effectively internalizes the values ​​of nationalism and love of culture through concrete practices such as the use of Basa Indung (mother language) and traditional clothing. However, significant challenges were found in the Betah di Imah aspect which indicates the still weak synergy between schools and parents. The implementation of "7 Poe Atikan" at SMPN 1 Maniis has successfully created an educational ecosystem that adapts to local wisdom, although strengthening collaboration with the family environment remains a priority for the sustainability of students' holistic character.

Mental health is a very important element in supporting students' academic success. As a group at a vulnerable age, students often face academic, social, and psychological pressures that can affect their mental health and academic performance. This study aims to examine the impact of mental health on the academic performance of students at the Faculty of Economics, Pasim National University. The method used in this study is a quantitative approach with data collection through questionnaires. The research subjects consisted of 123 students in their first semester, where the sample included 94 respondents selected using the Slovin formula. The data were analyzed using SPSS software, including validity, reliability, and normality tests, simple linear regression, coefficient of determination, and ANOVA. The findings of this study indicate that all measurement tools used are valid and reliable. Normality testing shows that the data have a normal distribution. The regression analysis results showed a significant positive effect of mental health on students' academic performance. An R-squared value of 0.410 indicates that mental health contributes 41% to the variation in students' academic results, while the remaining 59% is influenced by other factors. The results of the ANOVA also showed a significance level of 0.000 (<0,05). confirming the suitability of the regression model. Therefore, it can be concluded that mental health plays a significant role in improving student academic achievement. This research is expected to provide educational institutions with a basis for designing mental health support policies and programs to improve student academic quality.

This study aims to 1). Observe and understand the stages of propagating F2 white oyster mushroom seedlings at Wairita Farm. 2). Compare the growth of F2 white oyster mushroom seedlings between corn cobs and a mixture of corn cobs and wood powder. 3). Improve the skills and add to the experience and knowledge of students so that they can apply the knowledge they have gained in the lecture hall. This study used a comparative descriptive experimental approach, which is to compare the growth of F2 white oyster mushroom (Pleurotus ostreatus) seedlings on two different types of seedling media. This research was conducted at the Wairita Farm in Wairbleler Village, Waigete District, Sikka Regency, East Nusa Tenggara Province, over a period of 7 days (Monday to Sunday) during working hours from 08:00 to 16:30 with a break from 11:30 to 14:00. This location was chosen because it is an agricultural business unit engaged in the cultivation of white oyster mushrooms (Pleurotus ostreatus). The study period was 3 months, from September 17 to November 17, 2025. Independent variables and dependent variables. Data were obtained through direct observation of mycelium growth, daily recording during the incubation period, and visual documentation. The results of this study indicate that the success of white oyster mushroom F2 seedling propagation is greatly influenced by the suitability of the medium to the physiological and ecological characteristics of the mushroom. A mixture of corn bran and wood powder proved to be more suitable and is recommended for use in the propagation of F2 white oyster mushroom seeds compared to pure corn bran media.

This article explores the concept and implementation of restorative justice in Indonesia, an approach currently at a crucial crossroads within the criminal justice system. Rather than solely focusing on punishment, restorative justice offers a path towards repairing relationships between victims, offenders, and the community, seeking solutions oriented around conflict resolution. Through comprehensive analysis, this paper identifies the philosophical foundations and regulations supporting the adoption of restorative justice, while dissecting the dynamics of its application across various levels of legal processes in Indonesia. However, this noble endeavor is not without its challenges, ranging from institutional resistance and uneven understanding to harmonization with the conventional criminal law framework. Behind every case lies a human story yearning for more substantive justice. Therefore, this article argues that the success of restorative justice does not merely lie in its legal umbrella, but in our ability to understand and embrace the human dimension in every dispute resolution process. Consequently, this paper recommends adaptive and collaborative strategies to strengthen the role of restorative justice, ensuring it can guide our criminal justice system towards a more just and dignified future for all parties.

Culinary MSMEs serve as a vital economic pillar; however, they often encounter significant internal management obstacles and low digital competitiveness. Sabila Snack & Bakery faces complex challenges, including unstructured production schedules, limited digital marketing literacy, inconsistent visual branding, and financial record-keeping that remains intertwined with personal funds. This community service initiative aims to provide applicable solutions by strengthening internal management and digital marketing strategies to enhance operational efficiency and business competitiveness. The methodology employed is Participatory Action Research (PAR), encompassing stages of observation, interviews, technical assistance, and evaluation. The results indicate a significant transformation in business governance. The implementation of daily production schedules has successfully improved workflow regularity and operational efficiency. Furthermore, branding reinforcement through the establishment of a permanent logo, the creation of systematic product catalogs, and the optimization of social media platforms such as WhatsApp Business, Instagram, and TikTok has effectively increased business visibility and professionalism in the digital sphere. Additionally, the application of a simple bookkeeping system has fostered administrative discipline and a clear separation between personal finances and business capital. Overall, this intervention has successfully transitioned the business from traditional management patterns toward a more structured, professional, and sustainable management model ready to compete in a broader market.

The development of automation and robotics technology has driven innovation in various industrial fields, particularly in automatic sorting systems. Manual sorting processes often lead to inefficiencies and human errors, creating the need for an automatic, fast, and accurate system. This research employs a qualitative method which includes experimentation, testing, and system documentation. The system is designed as a robotic arm for sorting objects based on color, utilizing a TCS3200 color sensor and an ESP32 microcontroller. An ultrasonic sensor detects the presence of objects, while the sorting results are displayed through a real-time web monitoring system. The test results show that the prototype successfully sorts four primary colors (red, green, blue, and yellow) with a high level of accuracy. This research is expected to serve as a reference for the development of automation systems and robotics learning tools in both educational and industrial applications. In addition, this research also contributes to the development of technology that can increase efficiency and accuracy in industrial production processes and provide more environmentally friendly solutions by reducing the need for manual labor.

Students’ learning motivation is a crucial factor in determining the success of the learning process in schools and is influenced by various external factors, including teacher competence and learning facilities. Teachers with adequate competence are able to manage learning activities effectively, while sufficient learning facilities create a conducive environment that supports student engagement and enthusiasm for learning. This study aims to analyze the effect of teacher competence and learning facilities on students’ learning motivation at SMA Islam Al-Munir Bekasi City. This research employed a quantitative method with an associative approach. The research population consisted of all eleventh and twelfth-grade students of SMA Islam Al-Munir Bekasi in the 2024/2025 academic year, totaling 55 students. A saturated sampling technique was applied, in which the entire population was used as the research sample. Data were collected through questionnaires distributed to respondents and supported by interviews, observations, and documentation. The collected data were analyzed using multiple linear regression analysis with the assistance of SPSS software. The results indicate that teacher competence has a positive and significant effect on students’ learning motivation, meaning that higher levels of teacher competence in pedagogical, professional, personal, and social aspects lead to increased student motivation. In addition, learning facilities also have a positive and significant effect on students’ learning motivation, showing that adequate learning infrastructure and facilities are able to enhance students’ interest and enthusiasm for learning. Simultaneously, teacher competence and learning facilities have a significant effect on students’ learning motivation at SMA Islam Al-Munir Bekasi City. The implications of this study emphasize the importance of continuous efforts by schools to improve teacher competence and to provide and maintain adequate learning facilities in order to create a more effective learning process and to strengthen students’ learning motivation.

This MBKM program aims to develop innovative woven textile designs in Laranwutun Village, Ile Ape District, Lembata Regency, as an effort to enhance the economic value of local products through the utilization of digital marketing based on Facebook. Laranwutun Village possesses significant potential in traditional ikat weaving; however, artisans still face challenges in design development and rely on conventional marketing practices. The program was implemented over a two-month period involving MBKM students, local weavers, and MSME actors. The implementation methods included mentoring in creating innovative textile designs by combining traditional motifs with modern color trends, product photography training, and training on the use of Facebook for promotion and sales. The results indicate an improvement in artisans’ ability to create new designs, enhanced product visual quality, and expanded digital marketing reach. Following the training, five artisans actively utilized Facebook as a promotional medium and successfully received orders from outside the region.Overall, this MBKM activity contributes to strengthening the creative economy based on local culture and enhancing the independence of woven-textile entrepreneurs in Laranwutun Village through accessible and sustainable digital technology utilization.

A student's learning success is largely determined by their academic evaluation. Estimating a student's final grade can assist educational institutions in conducting initial assessments of academic achievement. This study aims to analyze the performance of the Multiple Linear Regression (MLR) and Random Forest (RF) algorithms in predicting students' final grades using Google Colab. This research method uses a quantitative approach using secondary data that includes age, mid-term exam scores, final exam scores, and categorical variables as independent variables, with the final grade as the dependent variable. The research process is carried out through data preprocessing steps, dividing training and test data, model training, and performance evaluation using Mean Squared Error (MSE), Mean Absolute Error (MAE), and the coefficient of determination (R2). The results show that the Random Forest algorithm provides more accurate prediction accuracy compared to the Multiple Linear Regression algorithm, especially in identifying nonlinear relationships between variables. Therefore, the Random Forest algorithm is more recommended for predicting students' final grades with complex data characteristics.

This study aims to examine the global marketing strategies implemented by The Coca-Cola Company in maintaining its competitive position in international markets. The advancement of globalization requires multinational corporations to design marketing strategies that are not only globally standardized but also adaptable to local market characteristics and consumer needs. This research employs a descriptive qualitative method with a case study approach, conducted through the review of relevant literature, corporate reports, and academic journals. The findings indicate that Coca-Cola’s success in global marketing is supported by strong brand differentiation, an extensive global distribution network through partnerships with bottlers, and the application of the glocalization concept, which balances standardization and adaptation within the marketing mix. Furthermore, market expansion strategies are implemented systematically through the selection of target markets based on growth potential, accessibility, and competitive intensity. The study also reveals that the country of origin image of the United States serves as a positive brand asset by creating aspirational value and quality perceptions across various markets, although in certain contexts it also presents challenges that require strategic management. Overall, this study confirms that Coca-Cola’s global marketing strategy is capable of achieving sustainable competitive advantage through the integration of strong global branding, product innovation, and responsiveness to local market dynamics.

This study aims to examine how the implementation of Integrated Marketing Communication (IMC) carried out by Friendshub contributes to building and strengthening brand awareness. Employing a descriptive qualitative approach and a case study method, data were collected through in-depth interviews with the core team of Friendshub and documentation of marketing activities, which were then thematically analyzed to explore communication patterns and creative strategies applied. The findings reveal that Friendshub integrates six elements of IMC as proposed by Belch and Belch (2021)—advertising, sales promotion, public relations, personal selling, direct marketing, and digital/interactive marketing—implemented across various channels such as social media, WhatsApp, email blasts, and event organization that emphasizes direct experiential engagement. The success of this implementation is supported by close communication with clients, consistent visual identity, and the adaptability of messages to audience needs, while challenges include limited budgets, dependence on client briefs, and short execution timelines. These findings highlight that consistent, creative, and adaptive IMC practices are not only effective in enhancing brand awareness but also in strengthening long-term relationships between Friendshub as a brand and its audience, thereby contributing positively to the sustainability of its image and corporate growth.

Micro, Small, and Medium Enterprises (MSMEs) play a vital role in Indonesia's economy with a contribution of more than 60 percent to the Gross Domestic Product and the absorption of 97 percent of the national workforce, but their participation in international trade is still low with only 14 percent involved in export activities. This research aims to analyze the challenges and opportunities faced by MSMEs in accessing the global market and identify adaptation strategies developed by entrepreneurs. A qualitative method with a phenomenological approach was applied through in-depth interviews with 18 export-oriented MSME owners and managers in East Java who were selected by purposive sampling. Thematic analysis using ATLAS.ti revealed seven main challenges including limited access to capital, complexity of export regulations, constraints on production capacity and quality consistency, language and cross-cultural communication barriers, lack of international market information, logistics infrastructure problems, and intensive competition. On the other hand, four strategic opportunities were identified, namely increasing demand for sustainable authentic products, accelerating digitalization and e-commerce, utilizing free trade agreements, and ethical consumerism trends. MSMEs develop effective adaptation strategies in the form of strategic collaboration, product differentiation with  premium positioning, the use of digital technology, and a focus on  specific market niches. The research emphasizes that the successful internationalization of MSMEs requires a holistic approach integrating internal capacity building with the support of a conducive external ecosystem.

Community service activities in Kalirahayu 1 Village aim to improve the utilization of social media as a marketing tool for Micro, Small, and Medium Enterprises (MSMEs). This initiative is important because many MSME actors in the village have not maximized social media usage, which limits their opportunities to increase product sales and market reach. The program was implemented through consultations, practical training, and continuous mentoring involving 10 MSME actors in Kalirahayu Village. Through this activity, participants were introduced to digital marketing strategies, including content creation, product promotion, and customer interaction through social media platforms. The results showed that MSME actors gained new knowledge and skills in using social media effectively, while students involved in the program also developed practical experience in digital marketing. Although several challenges were encountered, such as limited technological facilities and differences in participants’ initial knowledge levels, the program successfully increased awareness of the importance of digital marketing. This activity demonstrates strong potential for sustainable development and is expected to support the growth and competitiveness of MSMEs in rural areas.

The family is the smallest unit in society, within which rights and obligations exist as in social life in general. In fulfilling individual needs and interests, conflicts often arise, including disputes over inheritance distribution. Inheritance refers to the property left behind by a deceased person, which must be distributed to entitled heirs in accordance with Islamic law or customary law applicable within the community. Problems frequently emerge regarding the position of substitute heirs, particularly nephews, within the Islamic inheritance system. This study entitled “Various Aspects of Family Law in Indonesia: The Problematics of the Position of Nephews as Substitute Heirs in Islamic Law” aims to examine the status of substitute heirs in inheritance distribution and to identify the conditions under which substitute heirs are recognized in Islamic law. The research employs a normative method with a library-based approach, analyzing classical fiqh literature and scholarly opinions. The data consist of primary and secondary sources collected through document study. The findings indicate that a substitute heir is recognized when the primary heir dies after the testator but before the inheritance has been distributed, allowing the substitute heir to receive the share in accordance with Islamic legal provisions.

Digital images often experience noise disturbances that can reduce visual quality and interfere with the image analysis process. One common type of noise is salt and pepper noise, especially in grayscale images, which is characterized by the random appearance of black and white dots. This study applied the Deep Convolutional Autoencoder (DCAE) method with a skip connection mechanism to eliminate salt and pepper noise in grayscale images measuring 256×256 pixels. The dataset used consists of 300 pairs of clean images and noisy images that have gone through the preprocessing stage, including normalization and data augmentation. The model was trained using an Adam optimizer with a Mean Squared Error (MSE) loss function and validated through a train-test split scheme to avoid overfitting. Model performance was evaluated using Peak Signal-to-Noise Ratio (PSNR) and Structural Similarity Index (SSIM) metrics. The test results showed that the DCAE model with skip connections was able to effectively reduce noise while maintaining the main structure of the image based on the PSNR and SSIM values obtained, and showed better performance than conventional median filters. In addition, the model was successfully implemented into a Streamlit-based application to perform the image denoising process interactively, making it easier for users to experiment and visualize results in real-time.

The lack of street lighting infrastructure on the connecting roads between hamlets in Tepansari Village hinders community mobility and increases security risks at night. This community service program aims to implement Solar Power Street Lighting (PJUTS) technology as a renewable energy solution while building infrastructure independence through community empowerment. The implementation method uses the Asset-Based Community Development (ABCD) approach which includes five stages: discovery, design, define, delivery, and destiny. The program involved a collaboration between 7 KPM students, 2 village officials, and 10 local residents. The results of the service show that two PJUTS units have been successfully installed at strategic points and are functioning optimally independently without the burden of village electricity costs. In addition to physical outputs, this activity succeeded in increasing the technical capacity of residents in preventive maintenance of solar panel and battery components through a learning-by-doing process. The immediate impact felt by the community is an increased sense of security and mobility comfort, which supports social-religious and economic activities at night. This program proves that the integration of appropriate technology and participatory empowerment is an effective strategy in realizing sustainable rural infrastructure independence in accordance with SDGs point 7 targets.

Kemejing Village is geographically hilly with winding roads and minimal lighting, reducing visibility and potentially compromising the safety and security of road users, especially at night. This community service activity aims to improve visibility and safety for road users in Kemejing Village, Loano District, Purworejo Regency, by installing road reflectors and street lighting (PJU) using photocell sensors. The method used was community empowerment based on field actions, which included observation, planning, implementation, and evaluation, involving students, village officials, and the community. The results of this activity showed that the road reflectors and PJU using photocell sensors successfully improved visibility at night, provided automatic and energy-efficient lighting, and made road users feel safer and more comfortable. This activity provided positive benefits to the community and helped build village infrastructure that can continue to develop in line with the Sustainable Development Goals (SDGs).

Hand washing is a major pillar in clean and healthy living behaviors (PHBS). However, there are still children who do not understand the correct handwashing technique so that germ cleaning is not optimal. This community service activity aims to improve students' knowledge and motor skills in practicing the six steps of hand washing according to World Health Organization (WHO) standards. The method used in this activity is interactive counseling combined with live demonstrations. The stages of the activity include providing material through audiovisual media (video/poster), direct demonstrations by instructors, and independent practice by all participants. In addition, a question and answer session was held to ensure student understanding and corrective feedback on inappropriate movements. Evaluation instruments in the form of observation sheets were used to assess the accuracy of the sequence, duration, and coverage of the hand area when washing. The result of this activity was the success of all participants in practicing the six-step sequence of handwashing correctly independently. The involvement of teachers and school health workers also strengthens the sustainability of this practice through regular monitoring. Through this education, it is hoped that early awareness will arise which has become a routine habit to reduce the risk of disease transmission in the school and home environment and support the creation of a culture of clean living from an early age.

Students' learning processes are not only determined by cognitive abilities but are also greatly influenced by accompanying psychological aspects. At the junior high school (SMP) level, students are in the early adolescence phase, which is characterized by significant changes in emotions, motivation, and social needs. This condition makes psychological aspects a crucial factor in determining learning success. This study aims to examine the psychological dynamics that influence the learning process of junior high school students and their implications for the implementation of learning. The research method used is field research with a descriptive qualitative approach. The results show that learning motivation, emotional state, learning strategies, and social environmental support have interrelated roles in shaping students' learning experiences. Differences in students' psychological states contribute to variations in engagement and learning outcomes. Therefore, understanding students' psychological dynamics is crucial for teachers in designing effective, comfortable, and meaningful learning.