Baasandorj B, Ulziibayar T, Nyambal T, Yundendorj K. Monitoring study of biological pollution in stream water. Mong. J. Agric. Sci. [Internet]. 2020 Apr. 30 [cited 2024 Nov. 21];29(1):207-12. Available from: https://mongoliajol.info/index.php/MJAS/article/view/1393