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Fish growth refers to the growth of body size which includes length and weight, as well as the development of fish body tissues within a certain period of time.Growth does not only occur in a physical sense but also includes biological and physiological changes in the fish body.In an ecological context, fish growth is related to the ability to survive, adapt, and reproduce in an environment with various internal and external factors.The implementation of the practicum of population dynamics and fish stock assessment was carried out in the Nias University building, room 2 of the Faculty of Science and Technology. The morphometric measurements were carried out by measuring the total length, stag length and standard length.The total length was measured from the distance between the tip of the head end and the tip of the caudal fin back.Growth of strange mackerel through the relationship between length and weight using the growth formula expressed in the form of a linear regression equation. The equation obtained from the analysis of measurement data shows the length-weight relationship with the equation Y 2.8771x-1.7473 and R2 value of 0.6688. The coefficient b value of 1.7473 indicates that mackerel has a negative allometric growth pattern, which means weight gain. Mackerel (Rastrelliger sp.) is the main indicator of fish growth and health based on the results of morphometric studies that show variations in length and weight.

The rapid development of social media has significantly impacted the management of Islamic education, presenting both opportunities and challenges. This study aims to analyze the influence of social media on Islamic education management by employing a Systematic Literature Review (SLR) approach. The research method involves identifying, evaluating, and synthesizing relevant literature from the past ten years to understand trends, benefits, and obstacles in utilizing social media for educational purposes. A total of 50 studies were reviewed, focusing on various aspects such as communication effectiveness, student interaction, and access to learning resources. The findings indicate that social media facilitates communication efficiency, enhances student engagement, and broadens access to Islamic educational resources. It has become an essential tool in delivering content, connecting students and educators, and fostering collaborative learning. However, challenges such as misinformation, lack of regulatory policies, and student distractions require strategic solutions. The study suggests implementing internal policies, providing teacher training, and utilizing social media analytics to optimize its use. In addition, integrating social media strategies with traditional Islamic teaching methods can enhance educational outcomes. These findings contribute to a deeper understanding of the role of social media in Islamic education management and offer recommendations for its effective implementation. Furthermore, the study highlights the need for further research to explore the long-term impacts of social media on Islamic education.

Environmental licensing in the housing sector plays an important role in ensuring that housing development is carried out in compliance with applicable environmental regulations. With the rapid development of the housing sector, it is important to ensure that licensing is carried out with sustainability principles that take into account the impact on the environment. This article examines the role of environmental licensing in the housing sector, the challenges faced in its implementation, and the importance of a sustainable approach to the licensing process to encourage environmentally friendly development

Optimizing human resources (HR) in digital marketing through the synergy between creativity and technology is an important strategy to create effective and innovative marketing campaigns in the digital era. Creativity plays a crucial role in producing engaging and relevant content, which is able to build an emotional connection with consumers as well as strengthen the brand identity. Meanwhile, technology allows for personalization, data-driven analysis, and efficiency in the implementation of marketing strategies. This study examines how the combination of human resource creativity and the use of digital technology can create a competitive advantage for companies. The results of the study show that companies that successfully integrate these two elements can increase consumer engagement, customer loyalty, as well as the effectiveness of marketing campaigns. From a conceptual perspective, this approach is changing the way companies view innovation and cross-functional collaboration within organizations, which in turn improves responsiveness and adaptability to market changes. The practical implications of this research are the importance of investing in the development of creative and skilled human resources in technology, to create a sustainable digital marketing strategy and be able to compete in an increasingly competitive global market.

The rapid development of information technology has provided great opportunities for the service sector to improve efficiency and convenience, including in vehicle washing services. This research aims to develop a web-based system using the Laravel framework, which is designed to simplify the online ordering process and overcome queuing problems. The system features user authentication, location-based booking, payment gateway integration for real-time transactions, and an interactive dashboard for service providers. The case study was conducted at Carenmore, a vehicle wash service in Krian. The implementation results show that the system is able to reduce customer waiting time, provide a better user experience, and improve service efficiency. Further development is recommended to add a variety of features, improve interface design, and increase the system's ability to handle larger user loads.

The rapid advancement of information and communication technology has transformed and opened business perspectives and operations, particularly in UMKM the photography industry. As the demand for online photography services continues to rise, it is crucial for service providers to develop efficient information systems to manage photo sales effectively. The research titled "Development of the POVSHOT Mobile Application for Online Photo Sales Using Flutter and MySQL" aims to facilitate online photo sales through the implementation of Flutter technology and a MySQL database. The findings indicate that the "POVSHOT" application successfully integrates features such as photo uploading, payment management, and user administration within a user-friendly interface. This study suggests that the use of mobile applications can enhance security in the photo sales process and provide a better experience for users. The implications of this research highlight that photography service providers can leverage mobile technology to expand their market reach and improve customer satisfaction through a more integrated and responsive system.

This study is based on the results of observations made at SDN Lirboyo 1 Kediri City, teachers in delivering material, especially the Solar System, only use the lecture method and student books. Many students have difficulty in explaining and mentioning the constituent members of the Solar System. student difficulties are seen when students are asked questions only silent, and the value at the end of learning is far from the Minimum Completeness Criteria (KKM). The formulation of the problem developed is how the process, practical validity and effectiveness of pop up book media on solar system material for grade VI elementary school students in its use as media during learning. This research uses the Research and Development (R&D) research method with the ADDIE model (Analyze, Design, Develop, Implementation, and Evaluation). The subjects of this study were teachers and students of grade VI SDN Lirboyo 1 Kediri City. There are two instruments used in this study, namely using questionnaires and tests. Questionnaires are used to determine the validity and practicality of pop up book media, while tests are used to determine the effectiveness of pop up book media. The results of the pop up book media development research are as follows: (1) The results of the pop-up book media validity trial were carried out by media experts and material experts and received a percentage of 90% very valid or can be used without revision. (2) The results of the pop-up book media practicality trial in the limited trial were carried out by teachers by 92% and from students by 95%, then the results of the pop-up book media practicality in the broad trial were carried out by students by 93.5%. The percentage of scores from teachers and student responses is in the range of 81.00% - 100.00% which can be categorised as very interesting/valid. (3) The results of the effectiveness of pop-up book media obtained from the results of pretest and post test scores and getting a percentage of 81.65% are in the vulnerable range of 81.00% - 100.00% declared very effective can be used without improvement.

This study aims to enhance students' environmental awareness through the implementation of poster media in Natural and Social Sciences (IPAS) learning at Madrasah Ibtidaiyah Al-Munawwarah Kota Jambi. This research employs Classroom Action Research (CAR) using the Kemmis and McTaggart model, consisting of two cycles. The subjects of this study were sixth-grade students. The results indicate an improvement in students' environmental awareness after implementing poster media. In the pre-cycle stage, students’ environmental awareness was only 12%. After implementing poster media, the percentage increased to 60% in the first cycle and reached 96% in the second cycle. Furthermore, teacher activity in the learning process improved from 73.8% in cycle I to 92.6% in cycle II, while student activity increased from 71.5% to 92.1%. These findings demonstrate that poster media can be an effective learning tool in fostering students’ awareness and concern for their school environment.    

On February 17, 2012, the Constitutional Court granted the lawsuit filed by Hj. Aisyah Mochtar who filed a judicial review of Article 34 Paragraph (1) of Law Number 1 of 1974 concerning Marriage. This lawsuit arose from her marriage to Moerdiono in accordance with Islam which was not officially registered, which gave birth to a son, Iqbal Ramadhan. The Constitutional Court's decision changed the status of illegitimate children, who previously only had a civil relationship with the mother, now also have a civil relationship with the father and the father's family. This decision applies not only to children born from unregistered marriages, but also to children from relationships between men and women without the bonds of marriage which can be proven through technology such as DNA testing. These children are entitled to civil rights protection, such as maintenance and education, but are not related to guardianship issues. In its considerations, the Constitutional Court emphasized that the law must provide fair protection and legal certainty for the status of children, including those born even though their marriage is still disputed. Eliminating discrimination against illegitimate children aims to provide positive value for the future of children. The obligation of alimony that was previously only borne by the mother, is now shared with the father who can be proven to have a blood relationship with the child. If the father neglects to fulfill his obligations, he can be sued in court. The next question is how the Constitutional Court Decision will be implemented regarding the recognition of the lineage of children born outside of legal marriage.

An information system is used to manage and present data so that it benefits an organization. Effective financial management is crucial for government agencies, including the Medan City Transportation Department, to ensure transparency and accuracy in financial records. However, the manual method still used has weaknesses, such as recording errors and reporting delays. Therefore, this study aims to design and develop a web-based financial information system to address these issues.The system features transaction recording, financial reporting, real-time data processing, and more efficient budget management. This study uses the waterfall software development approach, which includes analysis, design, implementation, testing, and maintenance. The results show that this system can improve work efficiency, reduce errors in financial management, and support data-driven decision-making.  

The rapid development of Lombok tourism and the MotoGP event will be held in September 2024, driving the need for transportation, especially air transportation, Zainuddin Abdul Madjid  Lombok International Airport has several units that play a role in optimizing the airport, one of which is the Apron Movement Control (AMC) unit, this unit has a very important role in supervising all traffic movements on the air side which includes aircraft parking stands, traffic of people, vehicles, and Ground Handling arrangements, flight data administration and licensing of vehicles operating on the apron, this study aims to determine the differences in the implementation of the AMC unit's duties before and during the Mandalika MotoGP event, and to determine the obstacles faced when carrying out tasks during the event. This study uses a qualitative method, the data used are primary and secondary data, primary data is obtained from observation and interviews, while secondary data from SOP, documentation in the form of photos and regulations related to the problem being studied, data analysis techniques use data reduction, data presentation and drawing conclusions, testing the validity of data using triangulation techniques. This study shows that AMC officers successfully carried out their duties in accordance with SOP, including the process of plotting aircraft parking, operating Aviobridge, supervising Ground Support Equipment and supervising Marshaller Service, the responsibility of officers in providing services to airport users, especially in the Airside area, was carried out well, the obstacles faced including FOD, lack of facilities and personnel available, use of Driving Licenses and the suitability of vehicles/equipment and lack of communication between units can be handled and provide evaluation so that all movements in the Airside area run smoothly.

This journal discusses legal certainty for healthcare workers in cases of malpractice resulting from violations of working hours. The primary focus of this study is to identify the legal responsibilities that can be imposed on healthcare workers and the legal protections available to them. Through an analysis of regulations under Law No. 17 of 2023, the article finds that although a clear legal framework exists, challenges remain in its implementation. The study also highlights the importance of transparent and fair resolution procedures to protect the rights of healthcare workers and patients. Therefore, collaborative efforts between the government, professional organizations, and healthcare institutions are needed to create a safe and supportive work environment.

Breast cancer and its consequences have become a public health problem globally due to the impact of health disorders caused and the most severe impact is leading to death. Changes in diet and eating culture (fast food and lack of intake of vegetables and fruits) are one of the lifestyle changes that occur in adolescents today. Teenagers are more likely to consume foods that follow trends without looking at the nutritional status or content contained in the food. Fast food (junk food) contains a lot of dyes, preservatives, artificial flavors and how to process them by frying at high temperatures or burning. The habit of not eating less fatty foods (fruits and vegetables) and the habit of consuming red and processed meat also triggers the occurrence of tumors. One of the prevention of breast cancer is by conducting early detection of breast cancer which can be done with breast self-examination (SADARI). The purpose of this community service activity is to increase adolescents' knowledge about breast cancer and detect the early occurrence of breast cancer through breast self-examination (SADARI), This service activity involves adolescent girls in grade VIII aged 13-15 years At SMP Negeri 1 Unter Iwes, the implementation has been carried out on August 19, 2024. Service is carried out starting from preparation to evaluation. The method used in service is the method of socialization and application (application) directly in the field. The results of the evaluation showed that there was an increase in the knowledge and skills of grade VIII students after being given health education. Judging from the results of the post test, which is higher than the average pre test. 

The existence of the Regional Public Company (PERUMDA) of Kupang City aims to distribute water to residents in the surrounding areas. This study aims to evaluate the performance of PERUMDA in providing clean water services in Alak District, Kupang City. This research employs a combination of juridical and empirical approaches. The study was conducted at the PERUMDA Kupang City office and in the Alak District area of Kupang City during January 2025. The population in this study includes all PERUMDA employees and drinking water customers in Alak District, Kupang City. The sample was obtained using purposive sampling techniques, consisting of the head of the customer relations division (1 person), PERUMDA employees (10 people), and community members who use PERUMDA services (50 people), resulting in a total sample of 61 respondents. Data were collected through document review and in-depth interviews guided by an interview protocol. Based on the interview results, it was found that clean water services provided by PERUMDA were still suboptimal. Although PERUMDA Kupang City already has Standard Operating Procedures (SOPs), the implementation in the field still faces various obstacles, such as unequal distribution of clean water, limited infrastructure, occasional poor water quality, ineffective complaint handling systems, and outstanding payment arrears. PERUMDA Kupang City needs to expand its clean water distribution network, improve water quality, strengthen the customer complaint system, and conduct education and outreach to the community regarding the importance of efficient water use and the obligations of the community as service users.

The management of regional finances aims to realize good governance that includes efficiency and transparency in meeting public needs. Efficiency and transparency in the decentralization of financial management policy by the Financial and Asset Management Agency (BKAD) of Kupang City are key factors in ensuring proper regional financial management. This study uses an empirical research method. After data collection, the researcher categorized the data based on the sources and analyzed them. The results of this study indicate that Efficiency has not been fully achieved due to mismatches in budget allocation. Meanwhile, transparency remains suboptimal because the existing system often experiences disruptions, limiting open access to information. The most dominant inhibiting factor affecting implementation effectiveness is human resources (HR). In addition, dependency on central government funding hampers flexibility and independence in regional financial management. The study suggests that BKAD should conduct technical competency training and development for staff, the Kupang City Government should increase local revenue (PAD), and the public should actively participate in budget public consultations.

This community service aims to improve the entrepreneurial competence of the Mekar Jaya Village community, Cilamaya Kulon District, Karawang Regency, through training and mentoring for local potential-based businesses. A qualitative approach was used in this activity by involving observation, interviews, and focus group discussions (FGD) with the community and micro-business actors. The program implementation includes three stages: preparation, training, and mentoring. The results of the activity show that the community has great potential in developing local products, but faces obstacles such as lack of knowledge of business management, digital marketing, and product innovation. Through entrepreneurship training, there was an increase in participants' understanding in managing a business, especially in terms of financial planning and marketing strategies. Business mentoring helped participants apply the knowledge they had gained, which was seen from the increase in product quality and market access. The findings also revealed that the success of the activity was greatly influenced by the enthusiasm of the participants and the active involvement of the facilitators. This activity has a positive impact on increasing public awareness of the importance of entrepreneurship as an effort to improve economic welfare. This program is expected to be a model of sustainability that can be applied in other villages by adjusting to their respective local needs and potentials.

This community service aims to enhance the product branding quality of Bandung-style grilled bread and iced tea micro, small, and medium enterprises (MSMEs) to sustain their entrepreneurship. To remain competitive in today's increasingly advanced business world, these MSMEs need to implement AI-based digital marketing. The implementation of this service is carried out using methods that include direct face-to-face observation or interviews, training on utilizing AI-based digital marketing, and finally, evaluation of the results. This training is designed to help MSMEs understand the importance of improving product branding quality to expand their market share. In this digital era, the utilization of digital technology has become crucial for MSMEs to increase the efficiency of their operations. The results of the activities conducted have shown an increased understanding among MSMEs regarding the importance of utilizing digital technology, especially the use of AI to enhance their product branding. This activity is expected to help MSMEs improve their competitiveness, expand market access, and strengthen business sustainability in the digital era, enabling them to maintain their businesses and continue to grow further.

The MSME actors in Sei Rampah Village lack adequate understanding of financial management principles. Moreover, they face challenges in accessing business financing sources. This prompted the service team to conduct a community service activity in the village. The activity was organized in the form of a socialization program aimed at improving business owners' understanding of managing business finances and strategies for accessing financing sources. The program was attended by 20 participants. The methods employed in this activity were lectures and interactive discussions. The stages of the community service included the preparation phase and the implementation phase. This activity had a positive impact on the MSME actors in the village. Their knowledge of financial management and access to financing sources increased. The MSME actors stated that they now understand how to manage business finances and strategies to access financing sources. This indicates that the community service activity carried out has made a positive contribution to business owners in Sei Rampah Village..

The community service project titled "Strengthening the Role of Mothers in Shaping the Golden Generation: Empowerment Program at DPC IWAPI Depok" aims to empower mothers through entrepreneurship training, business management, and leadership, in order to enhance their capacity to manage businesses and play an active role in community economic development. This program involves 50 mothers who are members of DPC IWAPI Depok, who actively participated in the planning and implementation processes. The results of the program indicate an improvement in entrepreneurship and leadership skills among the mothers, as well as the emergence of local leaders capable of organizing community economic activities. Additionally, significant social changes occurred, including the formation of women-based business groups that support each other in developing their businesses. This empowerment has led to the creation of new social structures and behavioral changes that support women's empowerment at large. These findings align with theories of empowerment, social change, and transformational leadership, which emphasize the importance of individual roles in influencing social change.

CPO is the raw result of the oil extraction process from palm oil fruit. This substance is a rusty red liquid which has varying consistency characteristics depending on the ambient temperature conditions. The problems faced in handling CPO liquid bulk cargo are based on several factors, namely limited infrastructure, weather, distance and how the government regulates the sustainability of this industry at PT. Energi Unggul Persada. The aim of this research is to find out how the CPO liquid bulk transportation procedures are carried out by PT. Energi Unggul Persada, the main challenges faced in handling CPO liquid bulk cargo, as well as how government regulations and policies influence CPO liquid bulk cargo handling procedures and their impact on industrial desires at PT. Energi Unggul Persada. This type of research is qualitative research with descriptive methods. This research was carried out at PT. Energi Unggul Persada from February 2022 to April 2022. The data collection techniques used were interviews, observation, documentation. Meanwhile, the informants used as research were the Shipping Section Operational Experts and Field Coordinators PT. Energi Unggul Persada in Mempawah. The data that has been collected is then carried out by data reduction, data presentation and verification. The results of this research are first, the procedures that have been established by the company, namely, before loading begins, the surveyor and lodging master prepare the required documents such as: shipping instructions, ship shore checklist, dry certificate, and the tools used include: flexible hose, crane, floating line, and pump. To ensure that the quality of CPO / cargo meets standards, then during the loading process, the loading master supervises and is responsible for the implementation and smoothness of the loading activity. Second, the main challenges faced in the process of handling CPO liquid bulk cargo include the limited number of pipes, weather conditions at the jetty, and quite long line distances. Third, by committing to supporting a sustainable palm oil industry, the government is adjusting export levies on CPO and its derivatives, which are then channeled back to focus on developing the people’s palm oil industry.