Lulitasari Putri Anenda, and Wika Dianita Utami. “Analisis Pengendalian Persediaan Batu Bara Menggunakan Metode Economic Order Quantity”. Jurnal Algebra, vol. 1, no. 1, Aug. 2020, pp. 118-27, https://jurnalsaintek.uinsby.ac.id/index.php/algebra/article/view/1025.