Kholil, Ishak. “CUSTOMER RELATIONSHIP MANAGEMENT (CRM) BERBASIS WEB UNTUK MENINGKATKAN DAYA SAING TOKO ONLINE”. Jurnal Pilar Nusa Mandiri 13, no. 1 (March 15, 2017): 43-48. Accessed July 17, 2024. https://ejournal.nusamandiri.ac.id/index.php/pilar/article/view/145.