MUJIB, Ahmad et al. Tracing the Development of Islamic Economic Thought in the Abbasid Era: The Legacy of Umar bin Khattab. Ulul Albab: Jurnal Studi dan Penelitian Hukum Islam, [S.l.], v. 7, n. 2, p. 188-201, apr. 2024. ISSN 2597-6176. Available at: <https://jurnal.unissula.ac.id/index.php/ua/article/view/37059>. Date accessed: 22 july 2024. doi:http://dx.doi.org/10.30659/jua.v7i2.37059.