Adam SI, Lengkong O, Pungus S. Pengembangan Aplikasi Mobile Presensi Mahasiswa Berbasis QR-Code Di Universitas Klabat. CogITo Smart Journal [Internet]. 2021Dec.19 [cited 2025Aug.3];7(2):349-5. Available from: https://cogito.unklab.ac.id/index.php/cogito/article/view/343