Czech University of Life Sciences,
Faculty of Economics and Management,
Prague, Czech Republic

University of Mostar,
Mostar, Bosnia and Herzegovina

University of Sopron,
Alexandre Lamfalussy Faculty of Economics,
Sopron, Hungary

Juraj Dobrila University of Pula,
Faculty of Economics and Tourism „Dr. Mijo Mirković”,
Pula, Croatia

University of Economics,
Faculty of International Relations,
Bratislava, Slovakia