A. A. Rahman, A. Supaidi, I. Aslamiah, and A. Ibrahim, “IMPLEMENTASI CUSTOMER RELATIONSHIP MANAGEMENT (CRM) PELAYANAN PELANGGAN (CORPORATE) DIVISI BGES PADA PT TELKOM WITEL SUMSEL: Management”, jrmsi, vol. 9, no. 1, pp. 72–78, Apr. 2018.