E. Togtokh, O. Batdelger, B. Zorigt, G.-O. Dashdondog, and G.-E. Enkhbold, “The study of groundwater quality in northeastern soums of Sukhbaatar province”, Mong. J. Geogr. Geoecol., vol. 59, no. 43, pp. 119–128, Dec. 2022.