SH. AHMED, S.; A. KADHIM, S. A Review on Chaotic Cryptosystems for Digital Speech Communication. Journal of Al-Ma’moon College, [S. l.], v. 1, n. 39, p. 182–201, 2023. Disponível em: https://journal.almamonuc.edu.iq/index.php/jac/article/view/61. Acesso em: 6 oct. 2026.