Mobile application for the automation of attendance control with open source and Android Studio. Ciencias de la Ingeniería y Aplicadas, [S. l.], v. 3, n. 2, p. 13–22, 2019. Disponível em: https://investigacion.utc.edu.ec/index.php/ciya/article/view/304. Acesso em: 4 jun. 2026.