Atika Sari, Christy, Eko Hari Rachmawanto, Yani Parti Astuti, and Liya Umaroh. “OPTIMASI PENYANDIAN FILE MENGGUNAKAN KRIPTOGRAFI SHIFT CIPHER”. Proceeding SENDI_U (1). Accessed July 22, 2024. https://www.unisbank.ac.id/ojs/index.php/sendi_u/article/view/4162.