SZTUMSKI, Wiesław. Reflection About Sustainable Development (Is Sustainable Development Fiction, Utopia, Illusion or Swindle?). Problemy Ekorozwoju , [S. l.], v. 3, n. 2, p. 133–139, 2008. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4667. Acesso em: 16 feb. 2026.