Lembang, O., A. N. Insan, and M. Hamzah. “Analysis of Management Functions in an Efforts to Improve the Efficiency and Effectiveness of Management of Medicines and Expiry Medical Materials: JEL Classification: I10, I18, M11, M12, H83”. Journal La Bisecoman, Vol. 6, no. 6, Aug. 2026, pp. 1090-09, https://newinera.com/index.php/JournalLaBisecoman/article/view/5579.