Madubun, A., and A. D. Manuputty. “Monitoring Dan Evaluasi Sistem Informasi Akademik Universitas Halmahera Menggunakan Cobit 4.1”. Journal of Information Technology Ampera, vol. 2, no. 2, Aug. 2021, pp. 62-76, https://journal-computing.org/index.php/journal-ita/article/view/74.