Authors
Iulian-Cornel Lolea
The Bucharest University of Economic Studies,, Bucharest, Romania
Lucian Constantin Vilcu
vilcu.constantin.lucian@gmail.com
The Bucharest University of Economic Studies,, Bucharest, Romania
vilcu.constantin.lucian@gmail.com
© 2018 Iulian-Cornel Lolea, Lucian Constantin Vilcu, published by Bucharest University of Economic Studies
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.