Terlecka, Magdalena Klaudia. “Schweitzer’s Source of the Contemporary Idea of the Sustainable Development”. Studia Ecologiae et Bioethicae 8, no. 1 (June 30, 2010): 133–140. Accessed May 19, 2024. https://czasopisma.uksw.edu.pl/index.php/seb/article/view/3055.