Authors
Szilárd Madaras
madarasszilard@uni.sapientia.ro
Sapientia Hungarian University of Transylvania, Faculty of Economics, Socio-Human Sciences and Engineering, Cluj-Napoca, Romania
madarasszilard@uni.sapientia.ro
© 2019 Szilárd Madaras, published by Sapientia Hungarian University of Transylvania
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.