VLASENKO, Olha; NEDBAILO, Oleksandr; KOVALCHUK, Iryna; BALANDA, Oscar. Comprehensive calculation analysis of the use of biogas as fuel for the "Invest" steam boiler. International Science Journal of Engineering & Agriculture, [S. l.], v. 5, n. 1, p. 8–19, 2026. DOI: 10.46299/j.isjea.20260501.02. Disponível em: https://isg-journal.com/isjea/article/view/1138. Acesso em: 3 feb. 2026.