JANČAŘÍKOVÁ, K. Looking for the ideal form of environmental education in primary schools. Envigogika, Praha, Czech Republic, v. 4, n. 1, 2009. DOI: 10.14712/18023061.36. Disponível em: https://envigogika.czp.cuni.cz/index.php/Envigogika/article/view/36. Acesso em: 28 sep. 2020.