KOIRALA, S. Possibilities of Biogas in Urban Context. Journal of the Institute of Engineering, [S. l.], v. 15, n. 3, p. 191–199, 2020. DOI: 10.3126/jie.v15i3.32180. Disponível em: https://nepjol.info/index.php/JIE/article/view/32180. Acesso em: 6 may. 2024.