“ESTIMATION OF THE ECOLOGY-TOXICOLOGICAL STATE OF RIVER LOPAN WITHIN THE LIMITS OF KHARKIV”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy, no. 1147 (July 1, 2015): 57–62. Accessed October 25, 2026. https://periodicals.karazin.ua/ecology/article/view/3921.