BARTON, A. G.; VÁVRA, J. What are the current challenges facing Central Europe?. Envigogika, Praha, Czech Republic, v. 8, n. 2, 2013. DOI: 10.14712/18023061.375. Disponível em: https://envigogika.czp.cuni.cz/index.php/Envigogika/article/view/375. Acesso em: 18 oct. 2021.