Nasution, Darmeli, Indri Sulistianingsih, and Arie Candra Panjaitan. “Kombinasi Vigenère Dan Beaufort Cipher Konsep Simulasi Three-Pass Protocol Pada Data Penerbangan”. CICES (Cyberpreneurship Innovative and Creative Exact and Social Science) 9, no. 2 (August 18, 2023): 165-173. Accessed January 19, 2025. https://ejournal.raharja.ac.id/index.php/cices/article/view/2699.