Language: English
Page range: 13 - 19
Submitted on: May 6, 2016
|Accepted on: Nov 9, 2016
|Published on: Aug 27, 2018
Published by: Silesian University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
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© 2018 Beata KOMAR, published by Silesian University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.