Authors
Elżbieta Krawczyk-Dembicka
Bialystok University of Technology, Faculty of Management, Department of Organisation and Management, Poland
© 2017 Elżbieta Krawczyk-Dembicka, published by Bialystok University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.