Loppies, Marthin Wilheim, and Charitas Fibriani. “Designing Information Technology Governance in Trading Companies Using COBIT 2019 Framework”. Journal of Information Systems and Informatics 5, no. 4 (December 4, 2023): 1581–1594. Accessed March 7, 2026. https://www.journal-isi.org/index.php/isi/article/view/602.