Authors
Ruxandra Popescu
The Bucharest University of Economic Studies, Bucharest, Romania
Stefania Ghiocanu
University of Bucharest, Bucharest, Romania
© 2017 Ruxandra Popescu, Stefania Ghiocanu, published by Bucharest University of Economic Studies
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.