Tiyani IS, Irawan H. RANCANG BANGUN SISTEM INFORMASI ELECTRONIC CUSTOMER RELATIONSHIP MANAGEMENT (E-CRM) GUNA MENINGKATKAN PELAYANAN SERTA LOYALITAS PELANGGAN STUDI KASUS : PT DJAYA BERSAMA PUTRA PRIMA. IDEALIS [Internet]. 2018 Jul. 2 [cited 2025 Jul. 1];2(4):118-24. Available from: https://jom.fti.budiluhur.ac.id/IDEALIS/article/view/1337