Shapovalov, Ye.B., V.B. Shapovalov, O.Ye. Stryzhak, and A.I. Salyuk. “Ontology Based Systemazing of the Science Information Devoted to Waste Utilizing by Methanogenesys”. Environmental safety and natural resources 27, no. 3 (September 28, 2018): 68–78. Accessed June 29, 2025. https://es-journal.in.ua/article/view/155020.