ET. AL., D. . Smart Attendance System for Covid-19. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 10, p. 3187–3194, 2021. Disponível em: https://www.turcomat.org/index.php/turkbilmat/article/view/4976. Acesso em: 28 apr. 2024.