“Hierarchy of Positions and Human Structure in the Ayyubid Navy (570-652 AH 1174-1254 AD)”. Journal of Studies in History and Archeology, no. 81 (December 24, 2022): 444–485. Accessed May 20, 2024. https://jcoart.uobaghdad.edu.iq/index.php/2075-3047/article/view/318.