Aref, Mohammad Reza (27 December 1381). "Divisional reforms in Khorasan province". Research Center of the System of Laws of the Islamic Council of the Farabi Library of Mobile Users (in Persian). Ministry of Interior, Political-Defense Commission of the Council of Ministers. Archived from the original on 28 March 2014. Retrieved 27 December 2023.
Aref, Mohammad Reza (27 December 1381). "Divisional reforms in Khorasan province". Research Center of the System of Laws of the Islamic Council of the Farabi Library of Mobile Users (in Persian). Ministry of Interior, Political-Defense Commission of the Council of Ministers. Archived from the original on 28 March 2014. Retrieved 27 December 2023.