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Polish Journal of Sport and Tourism > 2015 > 21 > 2 > 92-96
Polish Journal of Sport and Tourism > 2014 > 21 > 2 > 92-96
Physical Culture and Sport. Studies and Research > 2013 > 57 > 1 > 44-57
Physical Culture and Sport. Studies and Research > 2012 > 56 > 1 > 59-64