Dainuri, Wildan, and Samsinar Samsinar. “ANALISIS DAN PERANCANGAN ELECTRONIC CUSTOMER RELATIONSHIP MANAGEMENT (E-CRM) DALAM MENINGKATKAN LOYALITAS PASIEN KLINIK PINANGSIA”. IDEALIS : InDonEsiA journaL Information System 6, no. 1 (January 12, 2023): 37-46. Accessed March 28, 2024. https://jom.fti.budiluhur.ac.id/index.php/IDEALIS/article/view/2989.