Yurchenko, V. and Tkachenko, S. 2024. METHODOLOGY FOR QUANTITATIVE ASSESSMENT OF THE FILAMENTOUS INDEX IN TECHNOLOGIES OF BIOLOGICAL WASTEWATER TREATMENT. Municipal economy of cities. 4, 185 (Sep. 2024), 54–59. DOI:https://doi.org/10.33042/2522-1809-2024-4-185-54-59.