et.al, Kis Yoga Utomo. “Determinant Factors Affecting Performance of Supply Chain in Pulp and Paper Industries During Pandemic Era in Indonesia”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 3 (April 11, 2021): 4406–4409. Accessed May 2, 2024. https://turcomat.org/index.php/turkbilmat/article/view/1819.