Embros, Grzegorz. “The Idea of Eco-Development in Stefan Kozłowski’s Works”. Studia Ecologiae et Bioethicae 8, no. 2 (December 31, 2010): 79–92. Accessed May 18, 2024. https://czasopisma.uksw.edu.pl/index.php/seb/article/view/3065.