Golub, Nataliia, Mariana Potapova, and Yuriy Karpenko. 2019. “Mathematical Modeling of the Biogas Production Process from the Distillery Spent Wash on the First Stage”. Innovative Biosystems and Bioengineering 3 (2):96-104. https://doi.org/10.20535/ibb.2019.3.2.166429.