Polish Journal of Sport and Tourism
Polish Journal of Sport and Tourism > 2013 > 20 > 2 > 147-152
Polish Journal of Sport and Tourism > 2013 > 20 > 2 > 105-110
Polish Journal of Sport and Tourism > 2013 > 20 > 2 > 123-128
Polish Journal of Sport and Tourism > 2013 > 20 > 2 > 135-140
Polish Journal of Sport and Tourism > 2013 > 20 > 2 > 117-122
Polish Journal of Sport and Tourism > 2013 > 20 > 2 > 95-99