Syaripudin, Ahmad, Sulkifli Herman, and Ahmad Marwazi Manar. 2021. “Ijtihad Khalifah Uṡmān Bin ‘Affān Dan Implikasinya Dalam Perekonomian Islam : Ijtihad of Caliph Uṡmān Bin ’Affān and Its Implication in the Islamic Economy”. AL-KHIYAR: Jurnal Bidang Muamalah Dan Ekonomi Islam 1 (1): 15-33. https://doi.org/10.36701/al-khiyar.v1i1.445.