KARTHA, Ranju S; PAUL, Varghese. Polyalphabetic Substitution Cipher Using Multiple Random Table. International Journal of Computer Sciences and Engineering, [S. l.], v. 6, n. 5, p. 51–58, 2025. DOI: 10.26438/ijcse/v6i5.5158. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/2293. Acesso em: 2 feb. 2026.