Kravchenko, O., Panchenko, O., Motronenko, V. and Smilianets, E. 2018. Biological Nitrification-Denitrification in The Drinking Water Treatment Process: Current Status and Main Biological Agents. Innovative Biosystems and Bioengineering. 2, 1 (Apr. 2018), 64–70. DOI:https://doi.org/10.20535/ibb.2018.2.1.130346.