WijayaC., DyfanD., NovianiM., RaymondR. and YendiartiY. (2023) “Penerapan Customer Relationship Management (CRM) pada UMKM Mie Pangsit Ayam Bangka Mr Ong Batam”, El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam, 5(1), pp. 390-404. doi: 10.47467/elmal.v5i1.3903.