“Hierarchy of Positions and Human Structure in the Ayyubid navy (570-652 AH / 1174-1254 AD)”, JSHA, no. 81, pp. 444–485, Dec. 2022, Accessed: Nov. 22, 2024. [Online]. Available: https://jcoart.uobaghdad.edu.iq/index.php/2075-3047/article/view/318