NEČAS, J. Ecological Encyclical Letter Laudato si as an appeal to all. Envigogika, Praha, Czech Republic, v. 10, n. 4, 2015. DOI: 10.14712/18023061.506. Disponível em: https://envigogika.czp.cuni.cz/index.php/Envigogika/article/view/506. Acesso em: 5 dec. 2020.