Authors
Beata Gierczak-Korzeniowska
University of Rzeszów, Institute of Economics and Finance at the College of Social Sciences, Rzeszów, Poland
© 2019 Beata Gierczak-Korzeniowska, published by University of Physical Education in Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.