University of Mostar,
Mostar, Bosnia and Herzegovina
University of Ljubljana
University of Ljubljana,
Faculty of Education,
Ljubljana, Slovenia
University of Varazdin
University North,
Varaždin, Croatia
University of Sarajevo
International Burch University,
Sarajevo, Bosnia and Herzegovina
University of Prague
Czech University of Life Sciences,
Faculty of Economics and Management,
Prague, Czech Republic
University of Mostar
University of Mostar,
Mostar, Bosnia and Herzegovina