Shapovalov, Ye.B., V.B. Shapovalov, O.Ye. Stryzhak, and A.I. Salyuk. 2018. “Ontology Based Systemazing of the Science Information Devoted to Waste Utilizing by Methanogenesys”. Environmental Safety and Natural Resources 27 (3):68-78. https://doi.org/10.32347/2411-4049.2018.3.68-78.