Klymenko, V. H. and Cherkashyna, N. I. (2016) “Assessment of water quality in the river Lopan within the boundaries of Kharkiv region”, Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology", 0(44), pp. 172-177. Available at: https://periodicals.karazin.ua/geoeco/article/view/7509 (Accessed: 21December2024).