Sihotang, J., E. S. . Panjaitan, and R. . Yunis. “Evaluation of Information Technology Governance by Using CobIT 5 Framework at Higher Education”. Jurnal Mantik, vol. 4, no. 3, Nov. 2018, pp. 2194-03, https://iocscience.org/ejournal/index.php/mantik/article/view/1101.