kdumicic@efzg.hr
tea.bregar@ef.uni-lj.si
bzmuk@efzg.hr
© 2014 Ksenija Dumičić, Lea Bregar, Berislav Žmuk, published by IRENET - Society for Advancing Innovation and Research in EconomyThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.