Коробкова, Г. В. “Modern Ecological Condition of the River Basin of the Seversky Donets Within the Kharkiv Region”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy, no. 14 (September 8, 2016): 66-70. Accessed August 16, 2024. https://periodicals.karazin.ua/ecology/article/view/6344.