Jaković B, Smolčić Jurdana D, Tubić D. Differences in willingness to pay for tourism sustainability in Croatian nature parks: Insights into visitors’ perception of sustainable tourism and satisfaction. EJTR [Internet]. 2026 Feb. 1 [cited 2026 Jun. 11];42:4203. Available from: https://ejtr.vumk.eu/index.php/about/article/view/4147