KUMAR, R. Naveen; SRIAISHWARYA, R.; VISHALI, S.; VIVEKANANDHAN, G.; KARTHIKEYAN, S. Wireless Electronic Notice Board using GSM. International Journal of Research in Engineering, Science and Management, [S. l.], v. 4, n. 7, p. 186–188, 2021. Disponível em: https://journal.ijresm.com/index.php/ijresm/article/view/1027.. Acesso em: 4 may. 2024.