azzarqa, azzarqa, and Gustomo Try Budiharjo. “Kebijakan Kharāj Khalifah Umar Ibn Khattāb”. Az-Zarqa’: Jurnal Hukum Bisnis Islam 5, no. 2 (December 1, 2013). Accessed January 22, 2025. https://ejournal.uin-suka.ac.id/syariah/azzarqa/article/view/1316.