SRI RAM VARMA, D.; MEGHANA, K.; SAI DEEPAK, V.; MURUGAN, R. Graphical password scheme to diminish shoulder surfing. International Journal of Engineering and Technology, [S. l.], v. 7, n. 1.1, p. 234–236, 2017. DOI: 10.14419/ijet.v7i1.1.9474. Disponível em: https://mail.sciencepubco.com/index.php/IJET/article/view/9474.. Acesso em: 18 aug. 2025.