ANALISIS KEBIJAKAN EKONOMI UMAR BIN KHATTAB PERSPEKTIF BISNIS SYARIAH. At-Tahdzib: Jurnal Studi Islam dan Muamalah, [S. l.], v. 1, n. 2, p. 262–278, 2015. Disponível em: https://ejournal.staiat-tahdzib.ac.id/index.php/tahdzib/article/view/20. Acesso em: 10 feb. 2026.