“KONTROVERSI KEBIJAKAN FISKAL NON-ZAKAT KHALIFAH UMAR BIN KHATTAB”. Syar’ie: Jurnal Pemikiran Ekonomi Islam 6, no. 1 (February 28, 2023): 59–69. Accessed May 12, 2026. https://ejournal.ibi.ac.id/Syarie/article/view/411.