Pangaribuan, Berliana Angel M., and Sandhy Fernandez. “Information Technology Governance Using COBIT 2019 at Val”. Pixel :Jurnal Ilmiah Komputer Grafis 16, no. 1 (July 11, 2023): 196-208. Accessed July 3, 2024. https://journal.stekom.ac.id/index.php/pixel/article/view/1247.