Davodi, Parviz (15 July 2009) [Approved 24 April 1388]. "With the approval of the government, Sareyn became a county". irna.ir (in Persian). Ministry of the Interior, Political and Defense Commission of the Government. Archived from the original on 5 November 2023. Retrieved 5 November 2023 – via Islamic Republic News Agency.
nga.mil
geonames.nga.mil
Sa'in can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3771221" in the "Unique Feature Id" form, and clicking on "Search Database".
openstreetmap.org
OpenStreetMap contributors (24 August 2024). "Sain, Sareyn County" (Map). openstreetmap.org (OpenStreetMap) (in Persian). Retrieved 24 August 2024.
Davodi, Parviz (15 July 2009) [Approved 24 April 1388]. "With the approval of the government, Sareyn became a county". irna.ir (in Persian). Ministry of the Interior, Political and Defense Commission of the Government. Archived from the original on 5 November 2023. Retrieved 5 November 2023 – via Islamic Republic News Agency.