Authors
Magdalena Grębosz-Krawczyk
Faculty of Management and Production Engineering, Lodz University of Technology, Poland
Jacek Otto
Faculty of Management and Production Engineering, Lodz University of Technology, Poland
© 2019 Magdalena Grębosz-Krawczyk, Jacek Otto, published by SAN University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.