Habibi, Hassan (10 November 1392) [Approved 17 April 1376]. Changes in country divisions in East Azarbaijan province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Notification 57400 17940 K. Archived from the original on 30 January 2014. Retrieved 6 December 2023 – via Research Center of the System of Laws of the Islamic Council of the Farabi Library of Mobile Users.
openstreetmap.org
OpenStreetMap contributors (5 September 2024). "Osku County" (Map). OpenStreetMap (in Persian). Retrieved 5 September 2024.
Habibi, Hassan (10 November 1392) [Approved 17 April 1376]. Changes in country divisions in East Azarbaijan province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Notification 57400 17940 K. Archived from the original on 30 January 2014. Retrieved 6 December 2023 – via Research Center of the System of Laws of the Islamic Council of the Farabi Library of Mobile Users.