MULTI-ACTION GRID AUTHENTICATION: A SECURE AND USABLE AUTHENTICATION SYSTEM FOR SMART TOUCH DEVICES. Balkan Journal of Applied Mathematics and Informatics, [S. l.], v. 7, n. 2, p. 39–50, 2024. Disponível em: https://js.ugd.edu.mk/index.php/bjami/article/view/6898. Acesso em: 3 okt. 2025.