jazaee, mohadese, eslami, roh allah (2019). Investigating on the Continuity of Structures of Iranshahri's politics In Iranian and Islamic Epistles (Case Study: The Era of Ardeshir and Khajeh Nizam-Al-Mulk eTusi). *Pizhūhish-i siyāsat-i nazāri*, 13(25), 1-27.