SAWYERR, Nathaniel; TROIS, Cristina; WORKNEH, Tilahun; OKUDOH, Vincent. An Overview of Biogas Production: Fundamentals, Applications and Future Research. International Journal of Energy Economics and Policy, [S. l.], v. 9, n. 2, p. 105–116, 2019. Disponível em: https://econjournals.net.tr/index.php/ijeep/article/view/7375. Acesso em: 28 dec. 2024.