GRACZYK, Andrzej. Market Mechanisms in Environment Protection as Sustainable Development Factor. Problemy Ekorozwoju, [S. l.], v. 4, n. 1, p. 99–108, 2009. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4716. Acesso em: 22 nov. 2024.