URBISZ, Andrzej. Biodiversity Conservation as One of Necessary Conditions of Ecodevelopment. Problemy Ekorozwoju, [S. l.], v. 5, n. 1, p. 91–94, 2010. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4770. Acesso em: 23 nov. 2024.