BAJRACHARYA, T. R.; DHUNGANA, A.; THAPALIYA, N.; HAMAL, G. Purification and Compression of Biogas: A Research Experience. Journal of the Institute of Engineering, [S. l.], v. 7, n. 1, p. 90–98, 2009. DOI: 10.3126/jie.v7i1.2066. Disponível em: https://www.nepjol.info/index.php/JIE/article/view/2066. Acesso em: 5 may. 2024.