Stanišić, Tanja, Snežana Milićević, and Bojan Krstić. “Natural Resources in Function of Sustainable and Competitive Tourism Development of the EU Countries”. Problemy Ekorozwoju 17, no. 1 (January 3, 2022): 64–70. Accessed December 4, 2024. https://ph.pollub.pl/index.php/preko/article/view/4269.