SISTEM PRESENSI BERDASARKAN GPS BERBASIS ANDROID MENGGUNAKAN ANDROID JETPACK. Device, [S. l.], v. 14, n. 2, p. 173–181, 2024. DOI: 10.32699/device.v14i2.7861. Disponível em: https://ojs.unsiq.ac.id/index.php/device/article/view/7861. Acesso em: 25 nov. 2025.