Golub, N., M. Shynkarchuk, A. Shynkarchuk, S. Xinhua, Z. Ying, and O. Kozlovets. “Vulnerabilities in the Production of Biogas from the Fat-Containing Tannery Waste”. Innovative Biosystems and Bioengineering, vol. 3, no. 4, Dec. 2019, pp. 253-60, doi:10.20535/ibb.2019.3.4.185425.