KACZOCHA, W. .; SIKORA, J. ETHICAL VALUES AND NORMS IN THE MANAGEMENT OF ATTRACTIVE NATURAL AREAS. Economics and Environment, [S. l.], v. 63, n. 4, p. 10, 2017. Disponível em: https://www.ekonomiaisrodowisko.pl/journal/article/view/328. Acesso em: 24 apr. 2024.