DLOUHÁ, J. Editorial 2007/II/3. Envigogika, Praha, Czech Republic, v. 2, n. 3, 2007. DOI: 10.14712/18023061.212. Disponível em: https://www.envigogika.cuni.cz/index.php/Envigogika/article/view/212. Acesso em: 24 oct. 2020.