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This study aims to determine the effect of price and promotion on purchasing decisions for Aguen brand Bottled Drinking Water (AMDK). The method used is quantitative descriptive research with SPSS 26 analysis of 96 respondents. The results of the study indicate that the price variable (X1) has a significant effect on purchasing decisions (Y), with a calculated t value of 9.360 and significance (0.00<0.05). Likewise, the promotion variable (X2) has a significant effect on purchasing decisions (Y) with a calculated t value of 6.085 and significance (0.00<0.05). Simultaneously, price (X1) and promotion (X2) also have a significant effect on purchasing decisions (Y), with a calculated F value of 107.470 and significance (0.00<0.05). The coefficient of determination (R²) value of 0.698 indicates that 69.8% of the variation in purchasing decisions can be explained by price and promotion factors, while the remaining 30.2% is influenced by other factors not examined in this study.

Production quantity planning is a crucial component in the bottled water industry (AMDK) to ensure that consumer demand is met efficiently. Inaccuracies in determining the amount of production can lead to overproduction and supply shortages, which ultimately leads to increased operational costs and decreased customer satisfaction. This study applies the Sugeno fuzzy logic method to predict the amount of production based on two main variables, namely weekly demand and raw material stock. The analysis stages include the fuzzification process, the preparation of the rule base, inference using the zero-order Sugeno method, and defuzzification using the Weighted Average (WA) method. The data used is synthetic data that represents the operational conditions of the medium-scale bottled water industry. The results show that the Sugeno fuzzy system is able to produce production predictions that are adaptive and responsive to fluctuations in demand and stock availability. This model provides consistent and stable output, so it can help companies in determining the optimal production amount. These findings confirm that Sugino's fuzzy approach can be an effective decision support tool in bottled water production management, especially in the face of uncertainty and variability in market demand.

Bottled Drinking Water (AMDK) “VOCA” is produced by the Teaching Factory Water Treatment, Vocational School of Diponegoro University, to meet the hydration needs of the academic community. However, several issues have been identified, such as packaging defects, uneven product distribution, and stock shortages during peak demand, particularly at large-scale campus events. These issues may affect consumer satisfaction with the VOCA product. This study aims to analyze the influence of product availability, distribution, and product quality on consumer satisfaction. The research uses a quantitative approach with a survey method involving respondents who have consumed VOCA. The sampling technique applied was purposive sampling, and the data were analyzed using multiple linear regression. The results show that all three variables—product availability, distribution, and product quality—have a positive and significant effect on consumer satisfaction, both partially and simultaneously. Among them, product quality is the most dominant factor. These findings highlight the importance of consistently maintaining product quality, improving distribution systems, and ensuring stock availability to meet consumer expectations and enhance the competitiveness of VOCA on campus.

This research aims to analyze the role of the Department of Transportation in supervising violations of the operational hours of container trucks and bottled drinking water (AMDK) based on the Regional Regulation of Sukabumi Regency Number 17 of 2013. This regulation is implemented as an effort to control the negative impacts of heavy vehicles operating outside the designated hours, including traffic congestion, road damage, and disruptions to the safety of other road users. The research method used is normative-empirical with a field study approach and conducting in-depth interviews with various stakeholders, such as the Department of Transportation, law enforcement officers, and transportation business operators. Research findings indicate that the Transportation Department of Sukabumi Regency has carried out its supervisory role through regular patrol activities, the placement of operational prohibition signs, and conducting socialization to drivers and transportation companies. However, there are still challenges in the implementation of supervision, such as limited human resources, lack of supporting facilities, and minimal coordination between different sectors.

This study aims to analyze the effect of Brand Trust and Product Quality on the Purchase Decision of Bottled Drinking Water (AMDK) brand Le Minerale in Medan Petisah District. The research method used is quantitative with a multiple linear regression approach. The sample consisted of 70 respondents selected using accidental sampling technique. Data were collected through questionnaires and analyzed using validity and reliability tests, classical assumption tests, multiple linear regression analysis, t-test, F-test, and determination test (Adjusted R Square). The results show that Brand Trust and Product Quality have a positive and significant effect both partially and simultaneously on Purchase Decision. The Adjusted R Square value of 0.441 indicates that these two variables explain 44.1% of the variation in purchase decisions, while the remaining 55.9% is influenced by other factors outside the research model.

Studi ini menyelidiki bagaimana kualitas produk dan harga memengaruhi keputusan mahasiswa untuk membeli air mineral Le Minerale. Penelitian didasarkan pada meningkatnya kesadaran dan kepedulian masyarakat terhadap kesehatan; mereka mencari solusi untuk memenuhi kebutuhan air minum harian mereka dengan mempertimbangkan harga dan kualitas produk. Studi ini menggunakan metode kuantitatif; survei dilakukan terhadap 103 siswa yang dipilih secara purposive. Hasil analisis regresi menunjukkan bahwa kualitas produk (β=0,347; p=0,002) dan harga (β=0,368; p=0,001) berpengaruh secara signifikan positif sebesar 44%  terhadap keputusan pembelian. Penelitian ini menunjukkan bahwa peningkatan kualitas produk dan penetapan harga yang kompetitif merupakan strategi penting untuk meningkatkan daya saing produk di pasar AMDK. Penelitian ini memberikan dasar bagi pelaku industri AMDK untuk meningkatkan kualitas dan penetapan biaya produk, sehingga konsumen memiliki pilihan yang lebih baik.

The increase in consumption of plastic bottled drinking water (AMDK) has led to an increase in the amount of plastic waste that requires special handling. One of the main challenges in managing this waste is the process of cutting plastic cup rings, which has been done manually using a cutter or small knife. This manual method is not only less effective but also increases the risk of injury for waste pickers. This research aims to develop a safer and more effective plastic cup ring cutter. Through a socialisation programme and implementation of the tool at Bank Sampah SiHatin, the effectiveness of the tool was tested by comparing the manual method and the use of the cutting tool. The results of the analysis show that the use of this tool is able to increase the cutting speed by 58%, produce more uniform cuts, and eliminate the risk of injury due to the use of cutters. In addition, this tool also improves occupational safety and health (K3) aspects and has a positive impact on the economic value of cutting products. Thus, this innovation is an effective solution in plastic waste management in the informal sector and can be adopted more widely in various other Waste Banks