ZIĘBA, Włodzimierz. Philosophical and Axiological Basis of Ecodevelopment. Problemy Ekorozwoju, [S. l.], v. 2, n. 1, p. 19–25, 2007. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4647. Acesso em: 22 jul. 2024.