BARUNO, E., and M. SUKUR, S.KOM, M.Cs. “SISTEM INFORMASI PENJUALAN ONLINEPT. ENSEVAL BERBASIS WEB”. Information Technology and Telematics, Vol. 8, no. 1, June 2018, https://www.unisbank.ac.id/ojs/index.php/fti3/article/view/5919.