FANNY RAMADHANI; ANDY SATRIA. Implementation of a QR Code-Based Attendance System for Students Using Web Technology . Altafani: Jurnal Pengabdian Masyarakat, [S. l.], v. 2, n. 1, 2026. DOI: 10.30596/altafani.v1i1.101. Disponível em: https://jurnal2.umsu.ac.id/index.php/altafani/article/view/101. Acesso em: 29 aug. 2026.