SMS-OPTIMIZED CONSUMER-GRADE TRACKING SYSTEM FOR LOW-COST MONITORING. ASEAN Engineering Journal, [S. l.], v. 11, n. 4, p. 29–44, 2021. DOI: 10.11113/aej.v11.17862. Disponível em: https://journals.utm.my/aej/article/view/17862.. Acesso em: 6 may. 2024.