The ministry system in the Abbasid era was influenced by the ministry system in the Sassanid state(861-661A.D/247-41A.H). TW [اینترنت]. 21 دسامبر 2019 [ارجاع شده 12 اکتبر 2026];2(4):1035-62. قابل دسترس در: https://journals.soran.edu.iq/index.php/Twejer/article/view/129