Authors
Edyta Kardas
Czestochowa University of Technology, Poland
Pavlína Pustějovská
VŠB-Technical University of Ostrava
© 2019 Edyta Kardas, Pavlína Pustějovská, published by Quality and Production Managers Association
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.