KREČMER, V. Zůstane Šumava zelená?. Envigogika, Praha, Czech Republic, v. 8, n. 5, 2013. DOI: 10.14712/18023061.421. Disponível em: https://www.envigogika.cuni.cz/index.php/Envigogika/article/view/421. Acesso em: 25 dub. 2024.