Larashati, I., A. Dwiyanisa, and I. Megawati. “Prequal: Analyzing The Forming Factors Of Telkomsel’s Prepaid Customer Service Quality In Bandung”. Kontigensi : Jurnal Ilmiah Manajemen, Vol. 7, no. 2, Nov. 2019, pp. 64-71, doi:10.56457/jimk.v7i2.69.