Authors
Magdalena Bsoul-Kopowska
magdalena.bsoul-kopowska@wz.pcz.pl
Czestochowa University of Technology, Poland
magdalena.bsoul-kopowska@wz.pcz.pl
© 2019 Magdalena Bsoul-Kopowska, published by Quality and Production Managers Association
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.