Taha Hassan, Safwan, AND 		Ameer Yousif, Sinan.
" The letters of Hulaku to the kings of the Muslims, King Nasser Yusuf, the Emir of Aleppo" <em>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</em> [Online], Volume 24 Number 2 (29 March 2019)