setiya, pycha aldy, and E. Susanti. “ANALISIS PEMILIHAN VENDOR MENGGUNAKAN PERFORMANSI SUPPLY CHAIN DI PT. EPSON BATAM”. Computer and Science Industrial Engineering (COMASIE), vol. 5, no. 6, July 2021, pp. 51-60, https://forum.upbatam.ac.id/index.php/comasiejournal/article/view/4362.