Trišić, I., S. Štetić, and D. Privitera. “THE IMPORTANCE OF NATURE-BASED TOURISM FOR SUSTAINABLE DEVELOPMENT—A REPORT FROM THE SELECTED BIOSPHERE RESERVE”. Journal of the Geographical Institute “Jovan Cvijić” SASA, vol. 71, no. 2, Aug. 2021, pp. 203–209, doi:10.2298/IJGI2102203T.