Purwanti, Ida, and Yuniar Farida. “Analisis Strategi Penjualan Stok Spare Part Di PT. Fajar Mas Murni Surabaya”. Jurnal Matematika MANTIK 4, no. 2 (October 31, 2018): 100–109. Accessed April 26, 2024. https://jurnalsaintek.uinsby.ac.id/index.php/mantik/article/view/391.