Polish Journal of Sport and Tourism
Polish Journal of Sport and Tourism > 2012 > 19 > 3 > 208-211
Polish Journal of Sport and Tourism > 2015 > 21 > 1 > 48-55
Polish Journal of Sport and Tourism > 2015 > 21 > 2 > 92-96
Polish Journal of Sport and Tourism > 2015 > 21 > 2 > 107-112
Polish Journal of Sport and Tourism > 2015 > 21 > 3 > 178-183