Habibi, Hassan. "Divisional reforms in Ilam province". Lamtakam (in Persian). Ministry of Interior, Political and Defense Commission of the Government Council. Archived from the original on 8 February 2024. Retrieved 8 February 2024.
Eyvan can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3068227" in the "Unique Feature Id" form, and clicking on "Search Database".
Habibi, Hassan. "Divisional reforms in Ilam province". Lamtakam (in Persian). Ministry of Interior, Political and Defense Commission of the Government Council. Archived from the original on 8 February 2024. Retrieved 8 February 2024.