Language: English
Page range: 129 - 137
Submitted on: Jan 4, 2017
Accepted on: Jan 4, 2017
Published on: Jun 16, 2017
Published by: University of Szczecin
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year
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© 2017 Janusz Niezgoda, published by University of Szczecin
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 License.