Murni D, Nurkolis N, Muhtarom M. Development of a QR Code-Based Digital Attendance System to Improve the Efficiency of Student Attendance Management and Principal Decision-Making. j. pendidik. terap. [Internet]. 2026 Jul. 18 [cited 2026 Jul. 24];4(3):230-42. Available from: https://journal.diginus.id/JUPITER/article/view/1285