WINNICKI, Tomasz. Communiques on Activities of the State Environmental Council of Poland. Problemy Ekorozwoju , [S. l.], v. 5, n. 2, p. 163–172, 2010. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4761. Acesso em: 10 mar. 2026.