Suroto, Suroto, and John Friadi. “Evaluasi Tingkat Capability Keamanan Sistem Informasi PT. CPPI Menggunakan Framework COBIT 2019”. Jurnal Ilmu Siber dan Teknologi Digital 2, no. 1 (February 27, 2024): 45–60. Accessed July 21, 2025. https://penerbitgoodwood.com/index.php/jisted/article/view/2945.