HAYATI, R. Kebijakan Ekonomi Islam Umar Bin Khattab dalam Menghadapi Krisis. al-Mawarid Jurnal Syariah dan Hukum (JSYH), [S. l.], v. 2, n. 2, 2021. Disponível em: https://journal.uii.ac.id/JSYH/article/view/18551. Acesso em: 4 may. 2024.