Larijani, Ali (2010) [Approved 16 April 1389]. Alborz province establishment law. lamtakam.com (Report) (in Persian). Guardian Council. Notification 412/30588. Archived from the original on 16 December 2023. Retrieved 21 August 2024 – via Lam ta Kam.
majlis.ir
rc.majlis.ir
Davodi, Parviz (2007) [Approved 18 September 1386]. Approval letter regarding reforms of national divisions in Tehran province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Notification 156150/T32688K. Archived from the original on 15 September 2017. Retrieved 21 August 2024 – via The Research Center of the Islamic Council of Iran.
nga.mil
geonames.nga.mil
Sheykh Hasan can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3766071" in the "Unique Feature Id" form, and clicking on "Search Database".
openstreetmap.org
OpenStreetMap contributors (17 August 2024). "Sheykh Hasan, Nazarabad County" (Map). openstreetmap.org (OpenStreetMap) (in Persian). Retrieved 17 August 2024.
Larijani, Ali (2010) [Approved 16 April 1389]. Alborz province establishment law. lamtakam.com (Report) (in Persian). Guardian Council. Notification 412/30588. Archived from the original on 16 December 2023. Retrieved 21 August 2024 – via Lam ta Kam.
Davodi, Parviz (2007) [Approved 18 September 1386]. Approval letter regarding reforms of national divisions in Tehran province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Notification 156150/T32688K. Archived from the original on 15 September 2017. Retrieved 21 August 2024 – via The Research Center of the Islamic Council of Iran.