WONGSO, O. QR Code, Face Recognition, and Google Location as Alternative Solution for Employee’s Attendance in Small Companies. Jurnal Teknik Informatika dan Sistem Informasi, Jakarta, Indonesia, v. 2, n. 3, 2016. DOI: 10.28932/jutisi.v2i3.635. Disponível em: http://224305.koshikahk.tech/index.php/jutisi/article/view/635. Acesso em: 18 jan. 2025.