Golub, Nataliia, Malvina Shynkarchuk, and Alexandr Kozlovec. “Obtaining Biogas During Fermentation of Fat-Containing Wastes of Leather Production”. Eastern-European Journal of Enterprise Technologies 6, no. 10 (90) (November 7, 2017): 4–10. Accessed July 28, 2024. https://journals.uran.ua/eejet/article/view/114216.