FIUT, Ignacy S. The Eco-philosophical Breakthrough: Zdzisława Piątek’s Concept. Problemy Ekorozwoju, [S. l.], v. 6, n. 1, p. 95–106, 2011. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4805. Acesso em: 3 jul. 2024.