Čeperković , Jelena, and Slobodan Čerović. “DYNAMICS OF SPA TOURISM STATISTICS IN SELECTED COUNTRIES OF CENTRAL AND EASTERN EUROPE”. Ekonomika poljoprivrede 70, no. 1 (March 31, 2023): 217–236. Accessed July 3, 2024. https://ea.bg.ac.rs/index.php/EA/article/view/2166.