FIUT, Ignacy S. The Picture of Sustainable Development in “Problemy Ekorozwoju/Problems of Sustainable Development” Journal. Problemy Ekorozwoju, [S. l.], v. 6, n. 2, p. 93–100, 2011. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4786. Acesso em: 22 dec. 2024.