Authors
Marijana Zekić-Sušac
Faculty of Economics in Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
Rudolf Scitovski
Department of Mathematics, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
Adela Has
Faculty of Economics in Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia