HARTWELL, C. A.; COURSEY, D. L. Revisiting the environmental rewards of economic freedom. Economics and Business Letters, [S. l.], v. 4, n. 1, p. 36–50, 2015. DOI: 10.17811/ebl.4.1.2015.36-50. Disponível em: https://reunido.uniovi.es/index.php/EBL/article/view/10563. Acesso em: 20 apr. 2024.