Harisnanda, Fajri, Ikhlashia Amaly, Alan Mario Gusman, Fulti Febriani, Alwedria Zamer, and Wina Elisya. 2016. “Analisis Sistem Rantai Pasok Minyak”. Jurnal Optimasi Sistem Industri 11 (1). Padang, ID:221-24. https://doi.org/10.25077/josi.v11.n1.p221-224.2012.