%0 Journal Article
%A arjemand manesh, ali akbar, Khorasani Parizi, Ebrahim, jalali, iraj
%T Investigation of the changes in the administrative system of the Umayyad era
%J Journal of  History (Tarikh)
%V 19
%N 74
%P 1-15
%D 2025
%R 
%U https://sanad.iau.ir/fa/Article/992252