DLOUHÁ, J. Editorial 2006/IV/3. Envigogika, Praha, Czech Republic, v. 4, n. 3, 2009. DOI: 10.14712/18023061.217. Disponível em: https://envigogika.czp.cuni.cz/index.php/Envigogika/article/view/217. Acesso em: 24 oct. 2020.