Hamarashid MAA. The influences of the Sasanian and Byzantine systems on the Islamic systems during the era of Al-Rashideen Caliphate (11-40 AH / 632-661 AD):       . HUJ [Internet]. 2024 Mar. 31 [cited 2024 Jul. 3];9(1):188-99. Available from: https://huj.uoh.edu.iq/index.php/HUJ/article/view/huj-10516