ROTIKAN, R.; LALOGIROTH, L. L.; SINAMBELA, D. T. P. Sistem Pencatatan Kehadiran Dosen Secara Real-Time Menggunakan QR-Code di Universitas Klabat. CogITo Smart Journal, [S. l.], v. 7, n. 2, p. 278–289, 2021. DOI: 10.31154/cogito.v7i2.339.278-289. Disponível em: https://cogito.unklab.ac.id/index.php/cogito/article/view/339. Acesso em: 3 aug. 2025.