Handayani, Rr. Ruth Citra, and Fitriani Tupa Ronauli Silalahi. “Perencanaan Pengendalian Persediaan Bahan Baku Kentang Merah Di UMKM Keripik Kentang Uwais Medan”. Journal of Integrated System 5, no. 2 (December 27, 2022): 232–249. Accessed January 18, 2025. http://224305.koshikahk.tech/index.php/jis/article/view/5321.