Language: English
Page range: 25 - 29
Submitted on: Oct 27, 2014
|Accepted on: Dec 9, 2014
|Published on: Jun 15, 2015
Published by: University of Physical Education in Warsaw
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
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© 2015 Paweł Krawczyk, published by University of Physical Education in Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.