RÍOS AGUILAR, Sergio; MARTÍNEZ MENDIVIL, Íñigo Sarría; BELTRÁN PARDO, Marta. NFC and VLC based Mobile Business Information System for Registering Class Attendance. International Journal of Interactive Multimedia and Artificial Intelligence, [S. l.], v. 6, n. 2, p. 71–77, 2020. DOI: 10.9781/ijimai.2020.05.001. Disponível em: https://www.ijimai.org/index.php/ijimai/article/view/747. Acesso em: 18 nov. 2025.