Authors
Kornelia Osieczko
Faculty of Management, Rzeszów University of Technology, Rzeszów, Poland
Jan Polaszczyk
Faculty of Management, Rzeszów University of Technology, Rzeszów, Poland
© 2018 Kornelia Osieczko, Jan Polaszczyk, published by Warsaw School of Economics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.