S. HADI, Ahmed; H. MAHDI, Ali. Encrypted Block Code. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 15, n. 1, p. 101–107, 2011. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1352.. Acesso em: 19 apr. 2025.