Luthvina, Ridha, Rika Ampuh Hadiguna, and Jonrinaldi Jonrinaldi. “Model Penilaian Pemasok Bahan Olah Karet (Bokar)”. Jurnal Optimasi Sistem Industri 18, no. 2 (October 30, 2019): 186–198. Accessed January 22, 2025. http://josi.ft.unand.ac.id/index.php/josi/article/view/177.