Muhammad Rohmat Hidayat, Nur ‘Azah, Masrokhin, Vian Hanes Andresetya, and Sirojuddin Abror, “The Integration Of The Transformation Of Surcharge In The MDR System: An Analysis Of Islamic Law And Educational Management In QRIS Services”, IJIR, vol. 2, no. 1, pp. 116–136, Jan. 2026.