ZAHRA, P. S.; HERMAN, S. The Economic Policy Of Umar Bin Khattab To Face Ramadhan Crisis. Islamic Economics and Business Review, [S. l.], v. 2, n. 1, 2023. Disponível em: https://ejournal.upnvj.ac.id/iesbir/article/view/5636. Acesso em: 6 may. 2024.