Olena Mitryasova. "HYDROCHEMICAL ASPECTS OF SURFACE WATER QUALITY ASSESSMENT." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Ecology, Economics, Education and Legislation, 2018, pp. 513-520. https://doi.org/10.5593/sgem2018/5.2/s20.067