Authors
Petr Schlegel
Department of Physical Education and Sports, Faculty of Education, University of Hradec Kralove
Adam Křehký
Department of Physical Education and Sports, Faculty of Education, University of Hradec Kralove
© 2020 Petr Schlegel, Adam Křehký, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.