RAMADHANI, Rizky Indra; JUANITA, Safitri. IMPLEMENTASI ELECTRONIC RELATIONSHIP MANAGEMENT (E-CRM) GUNA MENINGKATKAN LOYALITAS WALI MURID PADA YAYASAN PENDIDIKAN DAYA DUTIKA : SEKOLAH CENDERAWASIH. IDEALIS : InDonEsiA journaL Information System, [S. l.], v. 2, n. 5, p. 360–366, 2019. Disponível em: https://jom.fti.budiluhur.ac.id/IDEALIS/article/view/2620. Acesso em: 14 mar. 2025.