Aryansyah, Ahmad Rafi, and Yuliazmi Yuliazmi. “IMPLEMENTASI ANALISA DAN PERANCANGAN SISTEM DENGAN KONSEP ELECTRONIC CUSTOMER RELATIONSHIP MANAGEMENT (E-CRM) PT. AS-SALAM MULYA AL-HAROMAIN”. IDEALIS : InDonEsiA JournaL Information System, vol. 1, no. 3, July 2018, pp. 347-53, https://jom.fti.budiluhur.ac.id/IDEALIS/article/view/1269.