Susanto , R., & Pramadjaya, A. (2025). RANCANG BANGUN SISTEM ABSENSI QR CODE REAL-TIME DENGAN METODE WATERFALL. (STUDI KASUS : PONDOK PESANTREN MADINAH AL HIJRAH) . Global Research and Innovation Journal, 1(3), 558–569. Retrieved from https://journaledutech.com/index.php/great/article/view/588