Analisis Frekuensi Wakaf Uang Pada Mahasiswa Universitas UIN Sumatera Utara. JGGEconomic [Internet]. 2026 Jun. 29 [cited 2026 Aug. 29];2(2):231-46. Available from: https://www.lppnusantara.com/index.php/JGGEconomic/article/view/872