DOJA, M. N.; KUMAR, Naveen. User Authentication Schemes for Mobile and Handheld Devices. INFOCOMP Journal of Computer Science, [S. l.], v. 7, n. 4, p. 38–47, 2008. Disponível em: http://177.105.60.18/index.php/infocomp/article/view/237. Acesso em: 5 oct. 2024.