user22, user2, AND 		Awad,, Dr. Muthanna.
" The Orientalist (Arthur Stanley Terton) and the tax problem imposed on the people until the Abbasid era" <em>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</em> [Online], Volume 23 Number 2 (29 March 2019)