Shafarenko, M., and Vorobуova O. “RESEARCH OF METHANE PRODUCTION PROCESS FROM BIOGAS AND PYROLYSIS GAS: Array”. Municipal economy of cities 1, no. 161 (March 26, 2021): 280–283. Accessed January 17, 2025. https://khg.kname.edu.ua/index.php/khg/article/view/5747.