QUICK RESPONSE CODE PADA SISTEM INFORMASI KEHADIRAN GURU DAN SISWA SMK NURUL MUHTADIN. j.ilm.Sains.Teknologi [Internet]. 2023 Feb. 28 [cited 2025 Jun. 23];7(1):1-7. Available from: https://ejournal.lppm-unbaja.ac.id/index.php/saintek/article/view/2495