TIYANI, Ika Sulis; IRAWAN, Hendri. 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, [S. l.], v. 2, n. 4, p. 118–124, 2018. Disponível em: https://jom.fti.budiluhur.ac.id/IDEALIS/article/view/1337. Acesso em: 1 jul. 2025.