Polish Journal of Sport and Tourism
Polish Journal of Sport and Tourism > 2011 > 18 > 1 > 69-74
Polish Journal of Sport and Tourism > 2011 > 18 > 1 > 82-85
Polish Journal of Sport and Tourism > 2011 > 18 > 2 > 146-152
Polish Journal of Sport and Tourism > 2011 > 18 > 1 > 69-74
Polish Journal of Sport and Tourism > 2011 > 18 > 1 > 82-85
Polish Journal of Sport and Tourism > 2011 > 18 > 2 > 146-152