Ezzat, Faeza Mohammed, and Khalida Salam Ibrahim, translators. “The Ministry System in the Abbasid Era Was Influenced by the Ministry System in the Sassanid state(861-661A.D 247-41A.H)”. گۆڤاری توێژەر, vol. 2, no. 4, Dec. 2019, pp. 1035-62, https://doi.org/10.31918/.