SHOBANA, L. Encrypting Numbers through Square Grid Graphs. International Journal of Engineering and Technology, [S. l.], v. 7, n. 4.10, p. 806–809, 2018. DOI: 10.14419/ijet.v7i4.10.26121. Disponível em: https://mail.sciencepubco.com/index.php/IJET/article/view/26121.. Acesso em: 17 aug. 2025.