Carapinheira, A., Mendes, P., Guedes Carvalho, P., Torregrossa, M., Travassos, B. Julkaisussa Sports (2018) “...educational training...”
“...educational training...”
Damberg, E. Julkaistu 2005 “...educational training...”
Brack, R. Julkaisussa Sportwissenschaftliche Dissertationen und Habilitationen, 50 (2002) “...educational training...”
Ritter, A. Julkaistu 2003 “...educational training...”
Stemmler, R. Julkaistu 1999 “...educational training...”