Orkhonselenge, Alexander, and Amgalan-Erdene Nyamjantsan. “Hydrogeochemical Implications from Ider River in Northern Mongolia”. Mongolian Geoscientist, no. 47 (December 31, 2018): 45–52. Accessed October 27, 2025. https://test.mongoliajol.info/MGS/article/view/1065.