HOOI, Y. K.; KALID, K. S.; TACHMAMMEDOV, S. MULTI-FACTOR ATTENDANCE AUTHENTICATION SYSTEM. International Journal of Software Engineering and Computer Systems, [S. l.], v. 4, n. 2, p. 62–79, 2018. Disponível em: https://journal.ump.edu.my/ijsecs/article/view/705. Acesso em: 26 apr. 2024.