PURWADI, A.; SUHANDI, S.; ENGGARSASI, U. Urban Air Pollution Control Caused by Exhaust Gas Emissions in Developing Country Cities in Public Policy Law Perspective. International Journal of Energy Economics and Policy, [S. l.], v. 10, n. 1, p. 31–36, 2019. Disponível em: https://www.econjournals.com/index.php/ijeep/article/view/8337. Acesso em: 9 dec. 2022.