Setyawan, H., M. Khadija, and A. Budianto. “Improving IT Governance Maturity at Universitas Sebelas Maret Using COBIT 2019”. Journal of Information Systems and Informatics, Vol. 7, no. 3, Sept. 2025, pp. 2424-38, doi:10.51519/journalisi.v7i3.1200.