Skrylnyk, Ye. V., N. V. Maksymenko, Ya. S. Ryzhkova, and V. A. Ryzhkov. “Agroecological Characterization of Sewage Sludge of Kharkov”. Man and Environment. Issues of Neoecology, no. 1-2(29) (May 11, 2018): 112-118. Accessed May 19, 2024. https://periodicals.karazin.ua/humanenviron/article/view/10764.