CHAN, E. K. F.; OTHMAN, M. A.; ABDUL RAZAK, M. A. IoT Based Smart Classroom System. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 9, n. 3-9, p. 95–101, 2017. Disponível em: https://jtec.utem.edu.my/jtec/article/view/3132. Acesso em: 3 aug. 2021.