Muhammad Hilmiawan Sulthoni, Vikky Aprelia Windarni, Surya Tri Atmaja, Dewi Anisa Istiqomah, & Fiyas Mahananing Puri. (2025). Design and Implementation of a QR Code-Based Attendance Application at SMA Negeri 1 Cangkringan. Jurnal E-Komtek, 9(1), 123-136. https://doi.org/10.37339/e-komtek.v9i1.2392