DLOUHÁ, J. Conference Universities and Sustainable Development. Envigogika, Praha, Czech Republic, v. 12, n. 2, 2017. DOI: 10.14712/18023061.558. Disponível em: https://envigogika.cuni.cz/index.php/Envigogika/article/view/558. Acesso em: 21 sep. 2020.