Kevin, Kevin, and Johan Setiawan. “IT Proficiency in A Media and Publishing Company Using the COBIT 2019 Framework”. Journal of Information Systems and Informatics 6, no. 3 (September 11, 2024): 1435-1449. Accessed December 19, 2025. https://journal-isi.org.adsii.or.id/index.php/isi/article/view/794.