Tešin, Aleksandra, Sanja Kovačić, Tamara Jovanović, Miroslav D. Vujičić, and Sanja Obradović. “ECOTOURISM CONSTRAINTS: WHAT PREVENTS DOMESTIC TOURISTS IN SERBIA FROM VISITING ECO-DESTINATIONS?”. Journal of the Geographical Institute “Jovan Cvijić” SASA 70, no. 3 (December 19, 2020): 255–271. Accessed October 21, 2021. https://ojs.gi.sanu.ac.rs/index.php/zbornik/article/view/206.