Yuliyani, Yuliyani, Moehamad Aman, and Yun Arifatul Fatimah. “Analisis Pemilihan Supplier Bahan Baku Kertas Dengan Metode Analytical Hierarchy Process Menuju E-Supply Chain Management PT Papertech Indonesia”. Borobudur Engineering Review 1, no. 2 (October 10, 2019): 1-10. Accessed February 24, 2021. http://journal.ummgl.ac.id/index.php/benr/article/view/3156.