Лавринюк, З. В., and О. А. Караїм. “ECOLOGICAL AUDIT AND WAYS OF IMPROVEMENT OF WATER QUALITY OF HYDROLOGICAL MONUMENTS OF NATURE «OKONSKI DZHERELA»”. Man and Environment. Issues of Neoecology0, no. 3-4(24) (1): 49-54. Accessed December 22, 2024. https://periodicals.karazin.ua/humanenviron/article/view/5554.