Marpaung, R., and E. Susanti. “ANALISIS PENGENDALIAN PERSEDIAAN BAHAN BAKU DALAM MEMINIMASI BIAYA PRODUKSI DI PT VOLEX BATAM”. Computer and Science Industrial Engineering (COMASIE), vol. 7, no. 7, Dec. 2022, pp. 116-2, https://ejournal.upbatam.ac.id/index.php/comasiejournal/article/view/6039.