Spodoba М.; Spodoba О. Using a flexible electric heating element as a heating device for biogas reactors. Energy and Automation, [S. l.], n. 4, p. 65–74, 2024. DOI: 10.31548/energiya4(74).2024.065. Disponível em: https://journals.nubip.edu.ua/index.php/Energiya/article/view/51134. Acesso em: 11 feb. 2026.