Authors
Urszula Garczarek-Bąk
Urszula.garczarek-bak@ue.poznan.pl
Department of Market Research and Services, Poznań University of Economics and Business, Poznań, Poland
Urszula.garczarek-bak@ue.poznan.pl
© 2018 Urszula Garczarek-Bąk, published by Warsaw School of Economics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.