KHURANA, S.; PATEL, M.; SINGH, P. K. Study of 3D and 4D password Security. International Journal For Research In Advanced Computer Science And Engineering, [S. l.], v. 2, n. 1, p. 28–35, 2016. DOI: 10.53555/cse.v2i2.550. Disponível em: https://cse.gpubjournal.com/index.php/cse/article/view/550. Acesso em: 6 dec. 2025.