Brankov, J., Jovičić, D. and Milijašević, D. 2015. SUSTAINABLE TOURISM IN NATIONAL PARK “ĐERDAP”, SERBIA – ATTITUDES OF LOCAL POPULATION. Journal of the Geographical Institute “Jovan Cvijić” SASA. 65, 2 (Aug. 2015), 183–199. DOI:https://doi.org/10.2298/IJGI1502183B.