Manullang, Sahat. “Implementasi Kriptografi Pengamanan Data File Dokumen Menggunakan Algoritma Advanced Encryption Standard Mode Chiper Block Chaining”. Jurnal Nasional Teknologi Komputer 3, no. 2 (April 30, 2023): 87–95. Diakses November 25, 2024. https://publikasi.hawari.id/index.php/jnastek/article/view/69.