Wardatul Fitriyah. “Penerapan Konsep Zakat Khalifah Umar Bin Abdul Aziz”. Dalwa Islamic Economic Studies: Jurnal Ekonomi Syariah 1, no. 2 (December 10, 2022): 86–102. Accessed November 21, 2024. https://ejournal.uiidalwa.ac.id/index.php/dies/article/view/816.