“INTEGRAL ASSESSMENT OF ECOLOGICAL STATUS OF SURFACE WATERS OF THE RIVER WESTERN BUG WITHIN VOLYN REGION”. Man and Environment. Issues of Neoecology, no. 3-4(24) (April 15, 2016): 78–83. Accessed October 24, 2026. https://periodicals.karazin.ua/humanenviron/article/view/5559.