Authors
Yilmaz Kaplan
Department of Business, Faculty of Economics and Administrative Sciences, Erzurum Technical University Çat Yolu Üzeri 4.km,, Erzurum, Turkey
© 2017 Yilmaz Kaplan, published by Tallinn University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.