P. BALBA, N.; H. BALINGASA, R.; TRICIA CAMILLE R. BILOG, M.; KLENN D. CASTILLO, J.; M. PEREZ, J.; F. TERRIBLE, A.; BELEN CALDO, R. Distress Signal Tracker Using GPS and SMS Technology: A Prototype. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 9, n. 2-2, p. 121–125, 2017. Disponível em: https://jtec.utem.edu.my/jtec/article/view/2231. Acesso em: 29 apr. 2024.