Latouf, Noori.
" The General Expenditures of Beit al-Mal (Money House) of the Islamic Arabian State in the Reigns of AL Rrashidia Caliphate and The Umayyed Caliphate. Expense of Al_Faya: Al_Jaziya,Al_Kharaj and Al_Oshoor Trading: Historical Economic Study" <em>Journal of Tikrit university for humanities - مجلة جامعة تكريت للعلوم الانسانية</em> [Online], Volume 26 Number 8 (17 October 2019)