user22, u., 		Yassin1, D., & 		Adnan Baker2, D.
2019 Mar 30.  Loss of Sultan Lands in the era of Buhay (332-445 AH): A historical Economic study. Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية. [Online] 23:3