AZZARQA, Azzarqa; BUDIHARJO, Gustomo Try. Kebijakan Kharāj Khalifah Umar ibn Khattāb. Az-Zarqa’: Jurnal Hukum Bisnis Islam, [S. l.], v. 5, n. 2, 2013. DOI: 10.14421/azzarqa.v5i2.1316. Disponível em: https://ejournal.uin-suka.ac.id/syariah/azzarqa/article/view/1316. Acesso em: 22 jan. 2025.