Крайнюкова, А. М. “Main Features of Surface Water Quality Regulation in Ukraine and in EU Countries”. Visnyk of V. N. Karazin Kharkiv National University series «Еcоlogy», no. 16 (September 8, 2017): 18-21. Accessed May 3, 2024. https://periodicals.karazin.ua/ecology/article/view/9073.