Rianda, A., Oktafani, S. E., Akmal, I., Khairani, Z., & Gilang, M. (2011). Sistem Rantai Pasok Produk Obat-Obatan. Jurnal Optimasi Sistem Industri, 10(2), 160–165. https://doi.org/10.25077/josi.v10.n2.p160-165.2011