Purwadi, P., & Santoso, H. (2025). Comparison of Information Technology Governance Maturity Levels Based on COBIT 2019 at PT Kereta Commuter Indonesia in 2023 and 2024. Jurnal Teknik Informatika (Jutif), 6(5), 2962–2974. https://doi.org/10.52436/1.jutif.2025.6.5.5200