ZULKIFLI, Nurin Azwin; MOHD SHAH, Shaharil. Three-Level Car Security System with GPS Tracker Using IoT. Journal of Electronic Voltage and Application, [S. l.], v. 4, n. 1, p. 30–40, 2023. Disponível em: https://journal.uthm.edu.my/index.php/jeva/article/view/13541. Acesso em: 13 aug. 2026.