Traffic congestion is a major challenge in many big cities, including Serang City, Banten Province. This study aims to optimize vehicle flow at a four-way intersection using a traffic light system based on Omron CP1L Programmable Logic Controller (PLC). The research method involves simulation and hardware experiments to analyze traffic efficiency. The simulation results show that the PLC system can adjust the duration of traffic lights based on vehicle density, thereby reducing queues and increasing vehicle flow efficiency. This study concludes that the PLC-based approach is effective for more dynamic traffic management and recommends further improvements to the design aspects of indicator lights to ensure signal clarity for road users.

This study aims to determine the Application of Differential Costs in Decision Making to rent or buy fixed assets (musical instruments) in the field of musical instrument rental. This type of research is quantitative research. Data is obtained through primary and secondary data. This research was conducted in 2020 to 2022. Data collection techniques through interviews and documentation. Data analysis techniques are carried out by identifying data on interview costs, observations and documentation at the New Arista Orchestra. Based on the results of the analysis, these relevant costs can be used as considerations for the company in making decisions. With the alternative of buying, it will save costs of IDR 76,257,322.93 or 2.7% in making decisions with the alternative of buying or renting heavy equipment, it is better to consider the expenses that will be incurred from the two alternatives with relevant costs so that the decisions taken can benefit the company. The results of the comparison using the differential costs above. it can be concluded that differential cost analysis is very useful for the new Orchestra in making better decisions taken by the orchestra is to buy because it is more profitable than renting musical instruments.

This study explores the role of logical principles as a scientific foundation in economics, highlighting how logic supports theory development, empirical analysis, and decision-making in this discipline. As the foundation of scientific methodology, logic ensures consistency, validity, and coherence in research, helping to avoid cognitive biases and logical fallacies that often arise in economic analysis. Using the Systematic Literature Review (SLR) method, this study synthesizes findings from various academic sources to explain the importance of logical principles such as deduction, induction, and probability in building economic theories and addressing challenges in modern economic research. In conclusion, the proper application of logic not only improves the quality of research but also the credibility of the resulting economic policies.

In the era of globalisation and rapid technological advancement, education faces increasingly complex challenges, especially in terms of innovative learning development. This study aims to provide human resource management strategies in creating an innovative learning environment amidst the rapid development of education. The method used in this study is a literature study and qualitative analysis of various relevant sources, including journals and scientific articles. The findings show that there are three strategies: developing continuous professionals, integrating technology in the learning process, encouraging collaboration and creativity. This research is expected to provide insights for educational institutions in designing more effective development programme.

The study aims to analyze the cash sales accounting information system as an internal control tool at PT Kim Putra Malang. This type of research is a case study using primary and secondary data. Data collection methods consist of field studies and literature studies using observation, interview, and documentation data collection techniques. The data analysis technique used is qualitative descriptive analysis. The problem faced by the company is the weakness of the cash sales accounting information system. This is proven by the occurrence of duplication in the administration and accounting sections as well as incomplete accounting documents and records in the company. The cause of this incident is the lack of human resources and the lack of understanding of the cash sales accounting information systems importance. As a result, errors occur when recording cash sales accounting and the company could experience losses. The results of the qualitative descriptive analysis are as follows. The company is advised to separate functions in the administration and accounting sections, improve the organizational structure, add warehouse cards, compile sales reports, and improve the cash sales system and procedures. The purpose of the suggestion above is internal control can be effectively executed.

This research aims to analyze the impact of changes to the provisions on the responsibilities of directors and shareholders as well as guarantees of legal protection for creditors and third parties in the context of the Job Creation Law. The research method used is normative legal analysis, relying on a study of statutory regulations, relevant legal theories, and selected scientific literature. This normative approach is carried out through in-depth study and interpretation of applicable legal provisions, especially changes regulated in the Job Creation Law. The analysis focuses on how these changes affect the legal responsibilities of directors and shareholders, as well as their impact on the rights of creditors and third parties. Legal theory is used to build a strong conceptual and analytical framework in understanding the legal phenomena that arise from the implementation of this new regulation. It is hoped that the research results will provide a comprehensive understanding of the legal implications of these policy changes, as well as offer recommendations to increase legal certainty for all relevant parties. Thus, it is hoped that this research can be a significant contribution to the development of corporate law studies and legal protection in Indonesia.

In the current era of modern technology and through the development of digital information technology (IT), which is growing very rapidly and provides many conveniences for everyone to own and access various things in cyberspace, especially on the internet, and can be accessed quickly with a finger. just seconds to be able to display and get the information we need and we can find out via the internet. This is in line with the rapid development of information technology which makes it easier to obtain information and makes it increasingly difficult for us to escape from the convenience of technology which makes human life easier. Every developmental innovation is expected to be able to provide positive benefits for human life in the technological progress which has greatly developed in the technological era. creating many conveniences for accessing things in information systems. It can be concluded that the progress of the virtual world (internet) has changed the times without limiting computer network providers which contain many different systems. And all information activities can be accessed easily via social media, and this is what makes people dependent on technology as a daily necessity to increase convenience and obtain information quickly

Because we are social creatures, laws establish norms about how members of society should interact with each other. The Constitution of the Republic of Indonesia establishes a legal framework to regulate all human interests, including human rights. An agreement is an important document that regulates the responsibilities and privileges of individuals involved in a contractual relationship. An agreement is defined as a legally binding act that binds the promising parties in Article 1313 of the Indonesian Civil Code. However, agreements are not always enforced, and defaults occur all the time; for example, PT. Bank Rakyat Indonesia (Persero) Tbk is fighting debtors who have not paid their bills. The causes of default, its impact on the parties, and the procedures required by law to resolve disputes are all discussed in this abstract. It is believed that a thorough understanding of default will help prevent similar incidents in the future and find fair and efficient solutions.

Background: In Indonesia, the prevalence of anemia in pregnant women is 37.1%, the highest number in rural areas is 37.8%, the lowest in urban areas is 36.4%, in 2018 it increased to 48.9%. Pregnant women continue to experience the greatest rates of anemia in rural areas (49.5%) and urban areas (48.3%) (Ministry of Health of the Republic of Indonesia, 2019). In 2016, the Ministry of Health of the Republic of Indonesia reported that the three primary causes of direct maternal mortality in Indonesia during pregnancy and childbirth remain unchanged: 30.3% of the cases were connected to hemorrhage, 27.1% to hypertension during pregnancy, and 7.3% to infections.Objective: This study aims to identify risk factors for the incidence of pre-eclampsia and anemia in Indonesia.Methods: Uses the Study Literature Review method by taking data that has been published on trusted national research sites.Results: Based on research results through a review that had been carried out, researchers found 14 national studies that were included in the inclusion criteria.Conclusion: The most dominant risk factors for preeclampsia are history of preeclampsia, parity, pregnancy spacing and maternal age. Meanwhile, the most dominant risk factors for anemia in pregnant women in this study were: nutritional status, maternal age, parity and pregnancy spacing.
 
 

This study aims to analyze the effect of sex education on the moral development of students at SMPN 1 Cipaku. The approach used was quantitative with a correlational design, involving 40 students as respondents. Validity and reliability tests showed that the instruments used were valid and reliable (Cronbach's Alpha = 0.838 for understanding sexual education and 0.811 for moral development). The results of Pearson correlation analysis showed a significant and strong relationship between understanding of sexual education and moral development of students (R = 0.720; p < 0.01). The results of simple linear regression showed that understanding of sex education has a significant positive effect on students' moral development with a regression coefficient of 0.546 (p = 0.000). However, barriers were found related to the limited implementation of sex education, which was conducted only once, causing inhomogeneity in students' understanding. This study suggests the need to increase the frequency and quality of sexual education programs that are more structured and sustainable, as well as the active involvement of parents to strengthen moral education at home. In addition, sexuality education should be integrated with moral values that are relevant to students' daily lives. In this way, a sustainable sexuality education program can have a greater impact on the moral formation of students in the future.