ESAU TAIWO OLADIPUPO; OLUWAKEMI CHRISTIANA ABIKOYE. Modified Playfair cryptosystem for improved data security. Computer Science and Information Technologies, [S. l.], v. 3, n. 1, p. 51–64, 2022. DOI: 10.11591/csit.v3i1.pp51-64. Disponível em: http://csit.iaesprime.org/index.php/csit/article/view/86. Acesso em: 28 apr. 2026.