Lukić, T., Bubalo Živković, M. and Đerčan, B. 2015. RELIABILITY OF INTERNET SOURCES IN GEOGRAPHY: CASE STUDY OF MOUNTAINS STUDENA AND ŽARAČKA, SERBIA. Journal of the Geographical Institute “Jovan Cvijić” SASA. 65, 3 (Dec. 2015), 341–356. DOI:https://doi.org/10.2298/IJGI1503341L.