Pawłowski, Artur, and Lucjan Pawłowski. “Sustainable Development in Contemporary Civilisation. Part 1: The Environment and Sustainable Development”. Problemy Ekorozwoju 3, no. 1 (January 2, 2008): 53–65. Accessed July 3, 2024. https://ph.pollub.pl/index.php/preko/article/view/4683.