Siahaan, Kermanosiavic Noverdianto, and Mesran Mesran. “Penerapan Algoritma Venigmare Cipher Dan Vernam Cipher Dalam Pengamanan Data Teks”. Jurnal Sistem Komputer dan Informatika (JSON) 2, no. 1 (September 30, 2020): 48–52. Accessed October 28, 2025. https://ejurnal.stmik-budidarma.ac.id/index.php/JSON/article/view/2457.