Language: English
Page range: 79 - 84
Submitted on: May 18, 2020
Accepted on: Jun 1, 2020
Published on: Nov 5, 2020
Published by: Kielce University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
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© 2020 Agnieszka Grdulska, Robert Kowalik, published by Kielce University of Technology
This work is licensed under the Creative Commons Attribution 3.0 License.