Oliynyk, Oleksandr Ya., Sergiy V. Telyma, Yuriy I. Kalugin, and Yevheniy O. Oliynyk. 2021. “Substantiation of the Calculation Methods of the Nitrogen Removing (nitrification) in Bioreactors With Using on the Biofilm Models”. Environmental Safety and Natural Resources 38 (2):18-38. https://doi.org/10.32347/2411-4049.2021.2.18-38.