Surya, R. T., and J. F. Ishak. “Audit of IT Process DS-11 for Academic Information System Based on Framework COBIT 4.1”. Indonesian Accounting Research Journal, Vol. 1, no. 2, Feb. 2021, pp. 396-04, https://jurnal.polban.ac.id/ojs-3.1.2/iarj/article/view/2462.