CIĄŻELA, H.; TUSZYŃSKA, L. Nature as a value in education for sustainable development. Studia Ecologiae et Bioethicae, [S. l.], v. 15, n. 2, p. 75–83, 2017. DOI: 10.21697/seb.2017.15.2.07. Disponível em: https://czasopisma.uksw.edu.pl/index.php/seb/article/view/6223. Acesso em: 5 may. 2024.