Крайнюкова, А.М. 2017. Main Features of Surface Water Quality Regulation in Ukraine and in EU Countries. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy. 16 (Sep. 2017), 18-21. DOI:https://doi.org/10.26565/1992-4259-2017-16-02.