Noura A. A., Raiga A. A., and Fouad S. A. “The Hill 2-Cipher With Python”. African Journal of Advanced Pure and Applied Sciences 3, no. 1 (January 26, 2024): 58–71. Accessed January 31, 2026. https://www.aaasjournals.com/index.php/ajapas/article/view/685.