BARTÁKOVÁ, D. Practice of Project Teaching - Teachers’ views and observations, evaluation of co-operation within their curriculum. Envigogika, Praha, Czech Republic, v. 4, n. 2, 2009. DOI: 10.14712/18023061.140. Disponível em: https://www.envigogika.cuni.cz/index.php/Envigogika/article/view/140. Acesso em: 17 oct. 2021.