DLOUHÁ, J. Editorial 9 (1). Envigogika, Praha, Czech Republic, v. 9, n. 1, 2014. DOI: 10.14712/18023061.445. Disponível em: https://www.envigogika.cuni.cz/index.php/Envigogika/article/view/445. Acesso em: 26 oct. 2020.