SWAPNALI BHADALE2, HARSHADA WAGH3, S. S. Textual Graphical Password Scheme against Shoulder Surfing Attack. International Journal of Engineering and Computer Science, india, v. 4, n. 03, 2017. Disponível em: http://ijecs.in/index.php/ijecs/article/view/1067. Acesso em: 6 may. 2024.