ŠAUER, P.; LISA, A. Teaching Cases in Environmental Economics and Policy. Envigogika, Praha, Czech Republic, v. 2, n. 2, 2007. DOI: 10.14712/18023061.19. Disponível em: https://envigogika.cuni.cz/index.php/Envigogika/article/view/19. Acesso em: 29 nov. 2020.