Sysa, Aliaksei Ryhor, and Anastasia Victorovna Derzhanskaya. “Bioindication of Anthropogenic Eutrophication of Water Resources in Mogilev Region”. Journal of the Belarusian State University. Ecology, no. 3, Apr. 2020, pp. 18-31, https://journals.bsu.by/index.php/ecology/article/view/2952.