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The rapid advancement of smartphone technology has shaped consumer buying behavior, especially among students who depend on these devices for learning and social interaction. This research examines how product features and price perceptions influence students’ decisions to purchase Oppo smartphones in Malang City. Using a quantitative research design, data were obtained through questionnaires distributed to 428 respondents and processed using multiple linear regression analysis. The findings indicate that both product features and perceived price positively and significantly affect purchasing decisions, with product features demonstrating a more dominant role. The proposed model accounts for 66.2% of the variance in purchase decisions, suggesting that these two factors play a substantial part in shaping consumer choices. The results highlight the need for manufacturers like Oppo to focus on continuous feature improvements and maintain competitive pricing to strengthen market appeal. It is also suggested that future studies integrate additional variables such as brand image, marketing promotions, or user experience to offer a broader and more in-depth explanation of the determinants influencing smartphone purchase behavior.

In the era of globalization and advances in information technology, business competition in various sectors is getting tighter, including in retail industries such as supermarkets. Supermarkets are not only a place to meet daily needs, but also become part of the busy lifestyle of urban people. In this context, the quality of services and products offered by a supermarket has a very important role in maintaining and increasing market share and customer satisfaction. The survey was conducted both directly in the Super Indo Kenjeran Supermarket area and online through an online survey platform. The survey design used is a cross-sectional survey, where data is collected at one particular point in time to measure the relationship between the variables studied. In this context, research on the effect of service quality and product quality on customer satisfaction at PT. Lion Super Indo Kenjeran becomes relevant and important to do. With a better understanding of the factors that affect customer satisfaction, PT. Lion Super Indo Kenjeran can identify areas that need improvement and design more effective strategies in maintaining and increasing customer loyalty. Lion Super Indo as one of the leading supermarkets in Indonesia, with a long history and strong reputation, certainly does not escape from increasingly fierce business competition. Therefore, a deep understanding of the factors that affect customer satisfaction is a strategic key in maintaining the existence and developing the business of PT. Lion Super Indo.

Peanuts are a typical snack from the city of Bagansiapiapi, the basic ingredient of which is made from peanuts. The aim of this research is to carry out an in-depth analysis of the role of peanuts as a method used in an effort to create the best results in order to get quality improvement, for this research the author using research methods (qualitative methods). This research involves a survey of industrial practitioners who apply the hitting nut technique in the context of improving product quality. The research results show that hitting nuts has become a significant approach in quality improvement strategies. The author wants this research to provide in-depth insight into the potential of peanuts as a strategic tool to achieve quality improvement goals. The practical implications of this research may be useful for organizations to better understand the dynamics of hitting nuts and design more effective strategies in improving product quality. Not only that, the author wants to make an important contribution to the quality management literature and provide a basis for further research in the development of innovative quality strategies.  

One of the world's most famous native Indonesian cultures is batik. A good batik industry must be able to produce superior batik according to market needs with quality standards, the environment, human rights and employment issues. Batik craftsmen have weak tools, use velvet chemicals, handle water and a high amount of water, and are inefficient in handling wax and other processing agents. Batik Seni Pendopo is one of the batik businesses that practices GSCM. Dokani Svetsini needs to manage mezimuzi kineria green manufacturing at Batik Seni Pendopo so that it can continue to operate its business, maintain the surrounding environment, and implement the proposed semparikan persang mezimuzi results consistently. This research uses a qualitative case study type, using the green SCOR and AHP methods. From the results of Mezurisi Ergirden, the performance value is 77.43, which means good. Of the 13 KPIs, there are several KPIs that have unsatisfactory performance, namely energy use, waste produced by % of products produced, production costs, installation costs, waste management, efficiency, stamping, batik canting. Improvements that are important in this business are minimizing the handling of electricity, handling raw materials for candle wax and water, managing candle wax for business income, modifying the management so that the cash that goes to Milan can be milled, and where farmers design and canting so that the production process is faster.