À propos de cet article
Publié en ligne: 01 avr. 2017
Pages: 54 - 61
Reçu: 20 nov. 2016
Accepté: 25 janv. 2017
DOI: https://doi.org/10.1515/pcssr-2017-0006
Mots clés
© by Jerzy Kosiewicz
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Kosiewicz, Jerzy
Josef Pilsudski University of Physical Education in Warsaw Department of Philosophy and SociologyWarsaw, Poland