Rahman, Abdul Ariga, Ahmad Supaidi, Iziah Aslamiah, and Ali Ibrahim. 2018. “IMPLEMENTASI CUSTOMER RELATIONSHIP MANAGEMENT (CRM) PELAYANAN PELANGGAN (CORPORATE) DIVISI BGES PADA PT TELKOM WITEL SUMSEL: Management”. JRMSI - Jurnal Riset Manajemen Sains Indonesia 9 (1):72-78. https://doi.org/10.21009/JRMSI.009.1.05.