Faiz Ardani, A. and Ratih Hendayani (2025) “Beyond Commercial ERP: A Mixed-Methods Analysis of Challenges and Efficiency Gains from an Internally Developed Kanban System in Pharmaceutical Production”, CITACONOMIA : Economic and Business Studies, 4(04), pp. 145-169. doi: 10.63922/citaconomia.v4i04.2653.