Prasetya, Filo Novandi, and Idris Gautama So. “Pengaruh E-Marketing Dan E-Crm Terhadap E-Loyalty Website Usaha Komunikasi Pemasaran”. Binus Business Review 5, no. 1 (May 30, 2014): 8–17. Accessed February 6, 2026. https://journal.binus.ac.id/index.php/bbr/article/view/1191.