Selection of Appropriate Biogas Upgrading Technology-A Review of Biogas Cleaning, Upgrading and Utilisation. International Journal of Innovative Research in Computer Science & Technology, [S. l.], v. 9, n. 3, p. 125–129, 2021. Disponível em: https://journals.acspublisher.com/index.php/ijircst/article/view/11497. Acesso em: 8 apr. 2025.