MOKHNACHE, S.; DAACHI, M. E. H.; BEKKOUCHE, T.; DIFFELLAH, N. A Combined Chaotic System for Speech Encryption. Engineering, Technology & Applied Science Research, Greece, v. 12, n. 3, p. 8578–8583, 2022. DOI: 10.48084/etasr.4912. Disponível em: https://etasr.com/index.php/ETASR/article/view/4912. Acesso em: 18 aug. 2022.