Tiyani, I., & Irawan, H. (2018). RANCANG BANGUN SISTEM INFORMASI ELECTRONIC CUSTOMER RELATIONSHIP MANAGEMENT (E-CRM) GUNA MENINGKATKAN PELAYANAN SERTA LOYALITAS PELANGGAN STUDI KASUS : PT DJAYA BERSAMA PUTRA PRIMA. IDEALIS : InDonEsiA JournaL Information System, 2(4), 118-124. Retrieved from https://jom.fti.budiluhur.ac.id/index.php/IDEALIS/article/view/1337