Zailani, Achmad Udin. “Perancangan Sistem Informasi Customers Relationship Management Berbasis Web”. Journal of Informatics and Communication Technology (JICT) 1, no. 2 (November 28, 2019): 11–20. Accessed April 14, 2024. https://ejournal.akademitelkom.ac.id/j_ict/index.php/j_ict/article/view/36.