kdumicic@efzg.hr
lidija.zadnik@bf.uni-lj.si
janez.zerovnik@fs.uni-lj.si
© 2016 Ksenija Dumičić, Lidija Zadnik Stirn, Janez Žerovnik, published by IRENET - Society for Advancing Innovation and Research in EconomyThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.