Risman, Risman. “Comparison of Performance Rot13 and Caesar Cipher Method for Registration Database of Vessels Berthed at P.T. Samudera Indonesia”. International Journal of Basic and Applied Science 10, no. 3 (December 30, 2021): 91–98. Accessed April 20, 2026. https://www.ijobas.pelnus.ac.id/index.php/ijobas/article/view/61.