ČINČERA, J. Outcome-based or process-based education: the paradigmatic (quasi)controversy of environmental education. Envigogika, Praha, Czech Republic, v. 4, n. 2, 2009. DOI: 10.14712/18023061.38. Disponível em: https://envigogika.cuni.cz/index.php/Envigogika/article/view/38. Acesso em: 21 sep. 2020.