Savchenko, Olena, National University Lviv Polytechnic
Senkovs, Maris, University of Latvia
Siguencia, Luis Ochoa, The Jerzy Kukuczka University School of Physical Education in Katowice
Siguencia, Luis Ochoa, The Jerzy Kukuczka University School of Physical Education in Katowice
Siguencia, Luis Ochoa
Silicka, Inese
Silicka, Inese, Rezekne Academy of Technologies (Latvia)
Skėruvienė, Vitalija, Kaunas University of Applied Sciences
Stanisławski, Robert
Strazdienė, Gražina, Vilnius College of Technologies and Design
Szostak, Zofia Gródek, Cracow University of Economics
Szymański, Grzegorz

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