B. Vuković, Darko, Natalia A. Shpak, Milan M. Radovanović, Antonio Portugal Duarte, and Dejan Radulović. 2015. “THE ROLE OF HUMAN RESOURCES ON THE ECONOMY: A STUDY OF THE BALKAN EU MEMBER STATES”. Journal of the Geographical Institute “Jovan Cvijić” SASA 65 (2):253-68. https://doi.org/10.2298/IJGI1502123V.