Wardani, Sri Rita, Muhammad Sanusi, and Nurmala Fahrianti. 2022. “Customer Relationship Management (CRM) Dalam Perspektif Islam: Studi Kasus Pada KS BMT Al-Ikhwan Suralaga”. ABHATS: Jurnal Islam Ulil Albab 3 (2):14-26. https://journal.uii.ac.id/Abhats/article/view/29271.