Sari, Ita Purnama, and Muhajirin Muhajirin. “Peran Customer Service Dalam Meningkatkan Mutu Pelayanan Di PT. Bank Rakyat Indonesia (Persero) Cabang Bima”. Jurnal Disrupsi Bisnis, vol. 4, no. 5, Sept. 2021, pp. 439-48, doi:10.32493/drb.v4i5.11846.