This study aims to analyze the marketing strategies, operational mechanisms, and key challenges faced by the Multipurpose Cooperative (KSU) BONA MANDIRI JAYA. A qualitative research approach was employed, utilizing in-depth interviews, direct observation, and document analysis as data collection methods. The results show that the cooperative adopts a direct marketing strategy targeting underserved and remote areas, combined with a personalized approach in monitoring its clients. Despite its growth, the cooperative encounters several challenges, including limited capital, low member financial literacy, non-performing loans, and the need to adapt to digital transformation. To overcome these obstacles, the cooperative implements credit restructuring policies and intensive field monitoring. The study recommends strengthening institutional capacity and adopting digital systems to enhance the sustainability and efficiency of cooperative operations.

Liquid waste and solid waste originating from hospitals can function as a medium for spreading disorders or disease for staff, sufferers and the community. The research was carried out with the aim of finding out an overview of waste management at Vita Insani Hospital starting from sorting, containerization, lifting, temporary shelter, final disposal site. This research is quantitative research with an observational and descriptive approach, using descriptive research methods, the research was carried out with the aim of creating an objective picture or description of a situation at the Vita Insani Hospital, Pematangsiantar city regarding the management of solid and liquid medical waste. Research results: Overall waste processing at the Vita Insani Hospital, Pematang Siantar City is quite good, however improving the quality of processing is important regarding processing facilities and infrastructure through maintenance of each facility and infrastructure.