Arthananda, Kevin Pratama, and Wella Wella. “The Role of COBIT5 As a Reference for Quality Service Quality Improvement: Case Study: PT BCA Tbk”. Ultima InfoSys : Jurnal Ilmu Sistem Informasi, vol. 12, no. 2, Apr. 2022, pp. 94-100, doi:10.31937/si.v12i2.2181.