NOI, S.; JELÍNEK, M.; ROUBIK, H. Small-scale biogas plants in Vietnam: How are affected by policy issues?. Ecological Questions, [S. l.], v. 33, n. 4, p. 1–38, 2022. DOI: 10.12775/EQ.2022.037. Disponível em: https://apcz.umk.pl/EQ/article/view/38801. Acesso em: 4 feb. 2023.