HENDRI, H.; ROSYINTA, R. Suitcase security system using Android and GPS. Jurnal Pendidikan Teknologi Kejuruan, Padang, Indonesia, v. 5, n. 4, p. 127–132, 2022. DOI: 10.24036/jptk.v5i4.32423. Disponível em: https://jptk.ppj.unp.ac.id/index.php/jptk/article/view/324. Acesso em: 17 nov. 2024.