Sutejo, Bertha Silvia. “Internet Marketing: Konsep Dan Persoalan Baru Dunia Pemasaran”. Jurnal Manajemen Maranatha 6, no. 1 (December 13, 2010): pp. 41–56. Accessed February 12, 2026. http://114.7.153.31/index.php/jmm/article/view/224.