CINDY; DARMELI NASUTION; DR. LENI MARLINA. Sistem Informasi Absensi Mahasiswa Berbasis QR Code dan Firebase. Jurnal Nasional Teknologi Komputer, [S. l.], v. 6, n. 2, 2026. Disponível em: https://publikasi.hawari.id/index.php/jnastek/article/view/355. Acesso em: 2 apr. 2026.