Radojicic, Zoran, Sonja Isljamovic, Natasa Petrovic, and Veljko Jeremic. “A Novel Approach to Evaluating Sustainable Development”. Problemy Ekorozwoju 7, no. 1 (January 2, 2012): 81–85. Accessed August 24, 2024. https://ph.pollub.pl/index.php/preko/article/view/4838.