The ministry system in the Abbasid era was influenced by the ministry system in the Sassanid state(861-661A.D/247-41A.H). TW [انترنت]. 21 ديسمبر، 2019 [وثق 12 أكتوبر، 2026];2(4):1035-62. موجود في: https://journals.soran.edu.iq/index.php/Twejer/article/view/129