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Nile tilapia (Oreochromis niloticus) culture requires an efficient and low-cost feeding strategy that can support fry growth and survival. This study aimed to analyze the effects of three types of natural feed, namely silk worms, earthworms, and snails, on absolute length growth, absolute weight growth, and survival of Nile tilapia fry. The study was conducted at the Aquaculture Laboratory, Faculty of Science and Computer Science, Universitas Muhammadiyah Gorontalo, from January 31 to March 2, 2026. An experimental method was applied using a Completely Randomized Design consisting of three treatments and three replications. A total of 45 Nile tilapia fry were reared in 9 plastic containers filled with 10 L of water, with 5 fish in each container. Growth and survival data were analyzed using ANOVA at the 5% significance level, while water quality was analyzed descriptively. The results showed that the type of natural feed had no significant effect on absolute length growth, absolute weight growth, and survival. Descriptively, silk worms produced the highest length and weight growth, with values of 2.99 cm and 6.37 g, respectively. Snails produced the highest survival rate of 86.66%. Water quality remained stable, with temperature ranging from 26.3 to 26.8°C, pH from 7.6 to 7.9, and dissolved oxygen from 5.2 to 5.6 mg/L. These findings indicate that silk worms are potential natural feed for improving growth, while snails support the survival of Nile tilapia fry.

Scientific writing is one of the essential skills that college students need to support research activities and the development of knowledge. However, students still encounter various challenges during the writing process. This study aimed to identify students’ responses toward scientific activities at FMIPA Universitas Negeri Surabaya and to examine the difficulties experienced by students in preparing scientific papers. The study employed a qualitative descriptive method using a purposive sampling technique. The research subjects consisted of 36 students from various study programs at FMIPA Universitas Negeri Surabaya who had been involved in research activities and scientific proposal writing. Data were collected through student response questionnaires consisting of closed-ended and open-ended questions. The data were analyzed descriptively and presented in tables and narrative descriptions. The results showed that most students had understood the existing student research programs and were familiar with the use of research guidelines. However, students still faced difficulties in systematically organizing research ideas, determining research variables and methods, finding relevant literature reviews, and connecting theories from various references. In addition, time management and the use of citation management applications were also obstacles for some students. Therefore, more structured assistance is needed through scientific writing training, reference searching training, and the use of citation management applications to improve the quality of students’ scientific writing.

The Operational Aspect in Islam emphasizes that production activities must benefit humanity or be related to meeting human needs. For example, the selection of raw materials should not come from haram sources, the production process should be free from activities prohibited by Sharia, production should not be excessive, and there should be no waste. The Islamic view on human resources emphasizes that all workers are huan beings, not robots or business tools. A A Business Feasibility Study refers to an analysis of a business plan, both prior to its implementation and once the business is operating on a regular basis. The aim of this study is to evaluate the operational aspects and human resource management within the feasibility study of the Islamic-based convection business, Brand 57 Busana Pekalongan. This research employs a qualitative approach. The data were collected through field research, which involves conducting the study directly at the site where the phenomena related to the research problem occur. The techniques applied for data collection include observation, interviews, and documentation The result of this study indicate that the Brand 57 Busana pekalongan is feasible in terms of operational and human resource management aspects from a Sharia businesss feasibility study perspective because it has chosen a strategic location, good product quality, adequate production capacity, and technology utilization. In addition, the brand 57 Busana Pekalongan convection is deemed permissible for operational production activities from an Islamic perspective, such as production activities based on Islamic values and Maqashid Syariah. In the implementation of human resources management, the Brand 57 Busana Pekalongan convention has implemented job descriptions, a Muslim work ethic, a fair and decent salary distribution system.

The ability to describe graphs accurately in English is an essential academic skill for EFL learners, particularly in higher education contexts where students are required to interpret and communicate visual data. However, many learners still experience difficulties in producing grammatically accurate graph descriptions. This study aims to investigate the level of grammatical accuracy demonstrated by EFL learners in graph description tasks and identify the grammatical aspects that require further improvement. Employing a descriptive qualitative approach, the research analyzed 30 samples of students’ written graph descriptions produced by undergraduate learners. The analysis focused on several grammatical aspects, including subject–verb agreement, tense consistency, article usage, sentence structure, prepositions, and punctuation. The findings reveal that students frequently struggle with subject–verb agreement and article usage, while punctuation errors occurred less frequently. The study highlights that grammatical accuracy remains an important challenge for EFL learners in academic writing tasks involving data interpretation. Therefore, it is recommended that grammar instruction be integrated more intensively into graph description activities in English classes. The findings are expected to contribute to the development of more effective teaching strategies in academic writing instruction for EFL learners.

Educational dualism is a phenomenon that emerged in the Indonesian education system since the Dutch colonial era, which separated Western education from indigenous education. Western education introduced by the colonial government was more oriented towards colonial administrative and economic interests, and was generally intended for Europeans and indigenous elites such as the priyayi class. Meanwhile, indigenous communities widely developed religious-based education through Islamic boarding schools (pesantren) institutions that gave birth to communities of santri (Islamic students). This study aims to analyze the forms of educational dualism in the early 20th century by reviewing three developing educational models: European education, priyayi education, and santri education. The method used is a literature study by examining various books, scientific journals, and historical sources relevant to the development of education during the colonial period. The results of the study indicate that European education functioned as a means of developing an educated workforce that supported the colonial administration, while priyayi education became a path of social mobility for indigenous elites who acted as intermediaries between the colonial government and society. On the other hand, santri education through Islamic boarding schools developed independently and played an important role in maintaining religious values and the cultural identity of the community. Thus, the dualism of education during the colonial period not only reflected the inequality of access to education, but also shaped the social structure and intellectual dynamics of Indonesian society in the early 20th century.

Drowning is one of the leading causes of accidental death worldwide and remains a major challenge in forensic investigations due to the complexity of determining the exact cause and mechanism of death. This study aimed to analyze forensic investigation methods used to determine the cause of death in drowning cases. The research employed a qualitative descriptive literature review approach by analyzing scientific articles, forensic journals, and medical references related to drowning investigations. Data were collected through literature searches from Google Scholar, PubMed, and Portal Garuda using keywords related to forensic drowning investigations. The findings indicate that forensic investigation in drowning cases requires a comprehensive approach involving external examination, autopsy, laboratory examination, histopathology, diatom analysis, toxicology, and crime scene investigation. Typical forensic findings include foam cone, washerwoman’s hands, cutis anserina, emphysema aquosum, and the presence of foreign materials in the respiratory and digestive tracts. Diatom examination and histopathological analysis also play important roles in strengthening the diagnosis of drowning. The study concludes that an integrated forensic investigation based on scientific evidence is essential to accurately determine the cause and manner of death in drowning cases and to support medicolegal processes in Indonesia.

The garment industry in Indonesia has experienced rapid growth in line with the increasing demand for fashion products, particularly in Bandung Regency, which is one of the main garment centers. CV Kiral, as a garment company, faces intense competition, especially in terms of promotion and product quality, which are crucial factors in attracting consumers. This study aims to examine the influence of promotion and product quality on consumer purchasing decisions at CV Kiral, both partially and simultaneously. The research method employed is quantitative with a descriptive and verificative approach. The sample consisted of 100 respondents, who were CV Kiral consumers, determined using Cochran’s formula and selected through simple random sampling. Data were collected using a Likert-scale questionnaire and analyzed through multiple linear regression, t-test, F-test, and coefficient of determination with the assistance of SPSS software. The results indicate that promotion has a positive and significant effect on purchasing decisions, as does product quality, which also demonstrates a positive and significant influence. Simultaneously, promotion and product quality make a strong contribution to improving consumer purchasing decisions. Thus, the success of CV Kiral in facing competition is highly determined by the effectiveness of creative digital promotions and the consistency of product quality that meets consumer expectations.

This study aims to analyze the role of organizational communication in improving organizational performance using a systematic literature review approach with a descriptive qualitative method. The data were obtained from various relevant scientific literature sources, including national journals and academic articles discussing organizational communication and performance. The results indicate that organizational communication plays a significant role in enhancing performance through effective vertical and horizontal communication patterns, clarity of information flow, and improved work coordination. In addition, organizational communication contributes to building harmonious working relationships, increasing motivation, and strengthening organizational commitment. Leadership plays a crucial role in managing communication effectiveness within the organization. However, communication effectiveness is also influenced by supporting and inhibiting factors, such as work environment, communication skills, and differences in individual perceptions. Therefore, organizations need to manage communication strategically to achieve optimal performance. This study provides theoretical contributions to the development of organizational communication studies and practical implications for organizations in improving communication effectiveness.

This study seeks to examine the views of Islamic boarding school students regarding Islamic jurisprudence (fiqh) learning based on the Yellow Book as the primary reference at the Madrasah Diniyah Wustha An Nuur in Ponorogo. As a legacy of traditional Islamic scholarship, this book plays a vital role in the Islamic boarding school curriculum, although its relevance and effectiveness in modern education are often discussed among academics. Using a qualitative approach combined with descriptive-interpretive analysis, this study maps various aspects of students' perceptions, including teaching techniques, material content, obstacles encountered, and the relationship of the Yellow Book to understanding Islamic jurisprudence. The study revealed that students' responses were generally positive, but they were still hampered by limited Arabic language skills and difficulties translating the book's teachings into the context of contemporary life. Based on these findings, the implementation of more flexible learning methods such as bandongan, sorogan, and muhadlarah integrated with a contextual approach is needed to strengthen students' understanding and appreciation of traditional Islamic jurisprudence.

This study aims to analyze the education of children with special physical needs, particularly children with speech impairment, at TK Harsya Ceria Banda Aceh. The study used a qualitative method with a descriptive approach to describe the learning process, fulfillment of physical needs, teacher assistance, family support, and obstacles faced in inclusive education. Data were collected through observation, interviews, and documentation involving school principals, teachers, parents, and children with speech impairment. The results showed that TK Harsya Ceria has implemented inclusive education by providing equal learning opportunities for children with special needs alongside regular students. Teachers use visual media, body language, educational games, and individual assistance to support children’s communication and learning processes. Family support also plays an important role in developing children’s independence, communication skills, and social interaction. However, several obstacles were found, including communication barriers, limited facilities, lack of special assistants, and high therapy costs. Therefore, collaboration between schools, families, health workers, and the government is needed to support the optimal development of children with speech impairment in inclusive education environments.

Typhoid fever remains a significant diagnostic challenge, particularly regarding the interpretation of Widal test results which are often affected by antibody persistence. This study aims to analyze the variations in Widal antibody titers among students at Universitas Muhammadiyah Purwokerto, focusing on the time interval since their last confirmed infection. Using a cross-sectional design, serum samples from 24 students were analyzed through the semi-quantitative slide agglutination technique to detect Salmonella typhi O and H agglutinins. The findings indicated that anti-Salmonella O titers could persist up to 1:320 in individuals with an infection history of more than one year. In contrast, anti-Salmonella H was only identified in more recent infections (less than a year) with a lower titer of 1:80, and was undetectable in samples from infections exceeding one year. These results demonstrate that O antigens remain detectable in the blood significantly longer than H antigens. This study suggests that the duration since the last infection is a critical factor in the screening and validation of Widal test results. Accurate identification of these titer variations is essential for clinical laboratory technologists to provide more precise diagnostic data and support effective clinical management.

This study aims to analyze the relationship between legal compliance and the internalization of the constitution in strengthening the concept of the rule of law through a constitutional rights approach and the theory of Islamic Sociological Jurisprudence. The main issue addressed is the low level of legal compliance, which is often caused by a weak understanding and internalization of constitutional values in society. This research employs a normative juridical method with conceptual and sociological approaches, supported by an analysis of Islamic legal theory that emphasizes the interconnection between legal norms, social values, and morality. The findings indicate that legal compliance does not solely depend on formal law enforcement mechanisms, but also on the process of internalizing constitutional values as part of public legal awareness. The constitutional rights approach positions individuals as primary subjects who possess awareness of their rights and obligations, while the theory of Islamic Sociological Jurisprudence reinforces the moral and social dimensions in the formation of legal compliance. The integration of these two approaches can create a legal system that is not only normative in nature but also responsive to the social and religious values of society. Therefore, strengthening the rule of law requires a comprehensive strategy through legal education, the internalization of constitutional values, and the enhancement of moral awareness based on Islamic principles. This study is expected to contribute both theoretically and practically to the development of integrative and contextual legal studies in Indonesia.

Hospitals play a strategic role in improving public health through professional, safe, and high-quality healthcare services. In modern healthcare organizations, service quality is not only determined by medical facilities and technology but also by the quality of human resources, particularly healthcare workers who directly interact with patients. This study aims to analyze the influence of authentic leadership on healthcare workers’ performance and hospital service quality. The study employed a quantitative explanatory research design involving 120 healthcare workers in a hospital setting. Data were collected using questionnaires and analyzed through multiple linear regression analysis. The findings demonstrate that authentic leadership has a positive and significant effect on healthcare workers’ performance, with a regression coefficient value of 0.648 and a significance level of 0.000. Furthermore, authentic leadership indirectly influences hospital service quality through healthcare workers’ performance, with an indirect effect value of 0.521. These findings indicate that leaders who demonstrate honesty, transparency, integrity, and interpersonal support are able to create a healthy work environment that enhances healthcare workers’ motivation, responsibility, and professionalism. Consequently, improved employee performance contributes to better hospital service quality, particularly in responsiveness, empathy, and communication with patients. This study highlights that authentic leadership is an effective leadership approach for strengthening healthcare human resources and improving hospital service quality in contemporary healthcare organizations.

The phenomenon of tourist destinations experiencing a decline in popularity after a viral phase (post-viral stagnation) poses significant challenges to the sustainability of urban tourism. This study aims to test a structural model for destination reactivation in Kampung Pelangi, Semarang, focusing on the role of digital transformation in strengthening destination resilience through the mediation of competitive advantage. Using a quantitative approach, data were collected from 150 respondents and analyzed using Structural Equation Modeling (SEM-PLS). The results of the hypothesis testing indicate that digital transformation has a positive and significant influence on competitive advantage (β = 0.495; t = 5.820; p < 0.001) and destination resilience (β = 0.312; t = 3.450; p < 0.001). Furthermore, competitive advantage was found to have a strong impact on resilience (β = 0.542; t = 7.115; p < 0.001). A mediation test demonstrated that competitive advantage significantly mediated the relationship between digital transformation and resilience (β = 0.268; t = 4.890; p < 0.001). This model demonstrated a predictive power of 61.2% (R2 = 0.612) for destination resilience. This finding emphasizes that post-pandemic destination reactivation requires the integration of digital capabilities that can restore differentiation and unique value propositions to achieve long-term resilience.

This study explores the urgency of halal certification for food and beverage Micro, Small, and Medium Enterprises (UMKM) in Indonesia following the implementation of Law Number 33 of 2014. Despite the enactment of regulations, various obstacles such as low halal literacy and bureaucratic complexity remain major challenges. This study aims to analyze the strategic role of Islamic religious instructors as agents of empowerment and da'wah (Islamic outreach) in assisting UMKM in their halal certification process. Using qualitative methods with a library research approach, data was collected through a search of relevant literature and regulations, then analyzed using content analysis techniques. The study results indicate that Islamic religious instructors perform four crucial functions: literacy educators, access facilitators, motivators of Islamic economics, and policy mediators. Optimizing these roles can be achieved through capacity building, digitalization of mentoring, and integration of community networks. The study concludes that strengthening the role of instructors is essential to accelerate the implementation of mandatory halal certification and strengthen the Islamic economic ecosystem in Indonesia.

This study aims to examine the influence of trust on the perception of transaction security in the use of online shopping applications among millennials. The development of digital technology and the increasing use of online shopping applications have influenced how users assess security risks, personal data protection, and the reliability of transaction systems. This study employs a literature review method by examining relevant previous studies on trust, transaction security, digital risk, and user experience in online shopping. The findings indicate that user trust plays an important role in shaping perceptions of transaction security. Such trust is influenced by the platform’s ability to protect personal data, provide secure payment systems, and ensure smooth transaction processes. The higher the level of user trust in system security, the greater their tendency to use online shopping applications for transactions. Therefore, trust and transaction security are important factors in increasing millennials’ interest and comfort in online shopping.

This study aims to analyze trends in scientific publications related to the application of green banking in financing products within Islamic banking in Indonesia during the 2019–2024 period. Using a bibliometric analysis method based on Google Scholar data and mapping via VOSviewer software, this study evaluates 60 selected articles. The study results indicate a significant annual increase in publications, with a primary focus on integrating green banking principles into Islamic financing policies, their impact on profitability, and the role of technology in supporting green banking. Additionally, the study found that environmental sustainability, green financing, and digital transformation are the most dominant themes in the development of green banking research within Islamic banking. Bibliometric network analysis indicates a strong interconnection between the concepts of green finance, sustainable banking, and Islamic banking in supporting sustainable economic development. This study also identifies opportunities for further research related to the effectiveness of green banking implementation on the financial performance and social responsibility of Islamic banking. These findings contribute to the development of green finance literature in the Islamic finance sector and serve as a strategic reference for regulators and practitioners in implementing sustainable banking policies in the future.

This study aims to determine the soil classification of rock disintegration products based on the Unified Soil Classification System (USCS) and analyze its relation to sample depth variations on the lowwall slope of Pit North, PT Karya Putra Borneo, Kutai Kartanegara Regency, East Kalimantan. Soil samples were obtained through the Slake Durability test, simulating rock weathering from wetting and drying cycles, producing fine particles classified as weathered soil. These samples were analyzed for physical properties using Atterberg Limits tests and Grain Size Analysis. Observation point coordinates were X 508523.011 m, Y 9922791.186 m, at an elevation of 87.548 m. Drilling indicated soil material at 0–1.5 m depth; claystone with coal fragments at 2.97–4.44 m; siltstone with coal fragments at 4.44–10.55 m; and claystone at 12.05–29.36 m. USCS classification showed the materials were dominated by fine-grained soils: clay (CL) and silt (ML), with minor silty sand (SM). Correlation with borehole depth revealed no significant changes in soil classification, indicating that depth variations primarily affect soil physical properties rather than its classification type.  

Rapid developments in digital technology have had a significant impact on students’ lives, particularly in the use of social media and excessive consumption of digital content. The phenomenon known as Brain rot has become a growing concern because it can affect students’ concentration, learning motivation, and quality of thinking. This study aims to provide education regarding the impact of brain rot on students’ concentration and learning motivation in the digital era. The activities were carried out through counseling methods, interactive discussions, and mentoring for junior high school students. The materials presented included the definition of brain rot, the effects of excessive digital media use, the importance of learning time management, and strategies to improve learning focus. The results of the activity showed that students gained a better understanding of the negative impacts of uncontrolled digital media use. In addition, students began to realize the importance of limiting gadget use and increasing productive learning activities. This educational program also helped raise students’ awareness of the importance of maintaining mental health and cognitive abilities amid the rapid development of digital technology. Through this educational activity, students are expected to use technology wisely so that their concentration and learning motivation can improve optimally. Educational programs regarding brain rot need to be carried out continuously as part of strengthening digital literacy within the school environment.

Background: Exclusive breastfeeding is crucial for improving maternal and infant health, yet its success remains inconsistent, influenced by psychological factors such as breastfeeding self-efficacy. Mothers with high confidence are more likely to maintain exclusive breastfeeding despite physical and emotional challenges postpartum. Limited evidence exists regarding this relationship at the community level. Objective: This study analyzed the relationship between breastfeeding self-efficacy and successful exclusive breastfeeding among postpartum mothers. Methods: A quantitative cross-sectional study was conducted in Sliyeg Village, the working area of Puskesmas Sliyeg, Indramayu, in March 2026. The population included postpartum mothers with infants aged 0–6 months. A total of 68 respondents were selected using purposive sampling. Data were collected using the Breastfeeding Self-Efficacy Scale-Short Form (BSES-SF) and an observation sheet for exclusive breastfeeding success. The Chi-Square test was used for analysis with a significance level of α=0.05. Results: Most respondents had high breastfeeding self-efficacy (61.8%) and successfully practiced exclusive breastfeeding (66.2%). Statistical analysis showed a significant relationship between breastfeeding self-efficacy and exclusive breastfeeding success (p=0.001). Conclusion: Breastfeeding self-efficacy is significantly associated with the success of exclusive breastfeeding among postpartum mothers. Enhancing lactation education, family support, and counseling is recommended to strengthen maternal confidence and promote successful exclusive breastfeeding practices.