ENAD, W. F. The Emirate of Hajj during the Reign of Caliph Harun al-Rashid (170-193 AH/786-808 AD). Journal of Tikrit University for Humanities, [S. l.], v. 29, n. 8, 1, p. 137–156, 2022. DOI: 10.25130/jtuh.29.8.1.2022.07. Disponível em: https://jtuh.org/index.php/jtuh/article/view/94. Acesso em: 19 jan. 2026.