RYDZEWSKI, Paweł. Methodology and Key Issues of ISSP Environment Research Project from Sustainable Development Perspective. Problemy Ekorozwoju, [S. l.], v. 5, n. 2, p. 51–60, 2010. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4745. Acesso em: 16 nov. 2024.