Authors
Raluca-Nicoleta Tîrtea
University Politehnica of Bucharest, Bucharest, Romania
Cosmin Mărculescu
University Politehnica of Bucharest, Bucharest, Romania
© 2017 Raluca-Nicoleta Tîrtea, Cosmin Mărculescu, published by Bucharest University of Economic Studies
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.