ŠÍROVÁ, S. How did people become lords on the planet ... and what about it?. Envigogika, Praha, Czech Republic, v. 4, n. 2, 2009. DOI: 10.14712/18023061.296. Disponível em: https://envigogika.cuni.cz/index.php/Envigogika/article/view/296. Acesso em: 8 aug. 2020.