الصغير ش. Improvement of Qualification and Throughput of Hybrid Systems for Electronic Mail Security with Using RC6 – Elgamal – MD5 Encryption Algorithms. Latakia University Journal -Engineering Sciences Series, [S. l.], v. 42, n. 4, 2020. Disponível em: https://journal.latakia-univ.edu.sy/index.php/engscnc/article/view/9913. Acesso em: 26 jul. 2025.