SUGANYA. A; SHARMILA. R; GOPINATHAN. N. A New Method of Secure Communication with Crystography. International Journal of Computer Sciences and Engineering, [S. l.], v. 2, n. 4, p. 225–228, 2014. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/136. Acesso em: 2 feb. 2026.