BERNADKIEWICZ, A.; KLIMSKI, M. Program "Supporting environmental education in educational institutions of the city of Warsaw". Studia Ecologiae et Bioethicae, [S. l.], v. 4, n. 1, p. 457–458, 2006. DOI: 10.21697/seb.2006.4.1.35. Disponível em: https://czasopisma.uksw.edu.pl/index.php/seb/article/view/7717. Acesso em: 2 may. 2024.