Authors
Alexandra Hadăr
University POLITEHNICA of Bucharest, Bucharest, Romania
Anca Alexandra Purcărea
University POLITEHNICA of Bucharest, Bucharest, Romania
Laura Boanţă
University POLITEHNICA of Bucharest, Bucharest, Romania
© 2017 Alexandru Marin, Alexandra Hadăr, Anca Alexandra Purcărea, Laura Boanţă, published by Bucharest University of Economic Studies
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.