Tielung, M. F. F. ., E. . Kurniadi, and S. Sylviani. “Implementation of Combination RSA, Vigenere Cipher, and Permutation Cipher in Digital Communication”. Indonesian Journal of Applied Mathematics and Statistics, vol. 2, no. 1, June 2025, pp. 11-20, doi:10.71385/idjams.v2i1.18.