1. Faculty of Science, Center for Spatial Information of Vojvodina Province, University of Novi Sad, Novi Sad, Serbia
2. Faculty of Law, University of Novi Sad, Novi Sad, Serbia
3. Faculty of Science, University of Banja Luka, Banja Luka, Bosnia and Herzegovina
4. Department of Geography, Tourism and Hotel Management, Faculty of Science, University of Novi Sad, Novi Sad, Serbia