Timur Rakhimov, Murat Mukhamedzhanov, И.К. Рахметов. DRINKING GROUNDWATER OF WESTERN KAZAKHSTAN AND THE PROBLEMS OF THEIR POLLUTION. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020, Science and Technologies in Geology, Exploration And Mining, 2020, pp. 473-480. https://doi.org/10.5593/sgem2020/1.1/s02.059