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Andrzej Tomczak
Faculty of Physical Education and Sport in Biała Podlaska, Chair of Sports Theory and Practice, 2 Akademicka Street, 21-500Biała Podlaska, Poland
Paweł Różański
Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education and Sport in Biała Podlaska, Chair of Sports Theory and Practice,Warsaw, Poland
Ewa Jówko
Józef Piłsudski University of Physical Education in Warsaw, Faculty of Physical Education and Sport in Biała Podlaska, Chair of Natural Sciences,Warsaw, Poland