KomisovaТ. Y., L. I. Lesnjak, and O. V. Simchuk. “As Indicators Of Water Pollution Urboecosystems (For Example, Lugansk)”. Visnyk of V. N. Karazin Kharkiv National University Series «Еcоlogy», no. 1004, Mar. 2014, pp. 100-8, https://periodicals.karazin.ua/ecology/article/view/829.