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Krzysztof Sas-Nowosielski
Jerzy Kukuczka Academy of Physical Education in Katowice, Faculty of Physical Education, Department of Humanistic Foundations of Physical Culture, Division of Pedagogy and Psychology, 72a Mikołowska Street, 40-065 Katowice, Poland
Sylwia Szopa
Doctoral Studies, Jerzy Kukuczka Academy of Physical Education in Katowice, Faculty of Physical Education, 72a Mikołowska Street, 40-065 Katowice, Poland
Agnieszka Kowalczyk
Studies, Jerzy Kukuczka Academy of Physical Education in Katowice, Faculty of Physical Education, 72a Mikołowska Street, 40-065 Katowice, Poland