Al-Wadani, Fathia M., and Asma A. Jaafar. “The Phenomena of Qabala and Assurance Developed into the Obligation System in the Ottoman Empire (132 AH - 1299 AD)”. (Faculty of Arts Journal) مجلة كلية الآداب - جامعة مصراتة, no. 17, May 2021, pp. 182-04, doi:10.36602/faj/2021.n.17.10.