Faiz Ardani, A., and Ratih Hendayani. “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, Vol. 4, no. 04, Dec. 2025, pp. 145-69, doi:10.63922/citaconomia.v4i04.2653.