NOVELAN, M. S.; AMINUDDIN INDRA PERMANA. Employee Presence Application System Using Android-Based Qr Code Reader. Jurnal Mantik, [S. l.], v. 6, n. 2, p. 2280-2285, 2022. DOI: 10.35335/mantik.v6i2.2772. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/2772. Acesso em: 13 may. 2026.