PIERCE, D. The role of economics in assessing desirable air quality levels. Clean Air Journal, [S. l.], v. 6, n. 4, 1983. DOI: 10.17159/caj/1983/6/4.7259. Disponível em: https://cleanairjournal.org.za/article/view/7259. Acesso em: 5 may. 2024.