C. Breuer, C. Joisten, W. Schmidt Julkaistu 2020 “...educational training...”
Schewe, G., Goelden, M. Julkaisussa Europäische Sportmodelle. Gemeinsamkeiten und Differenzen in international vergleichender Perspektive (2011) “...educational training...”
Kröger, C. Julkaistu 2010 “...educational training...”
Digel, H., Thiel, A., Schreiner, R., Waigel, S. Julkaistu 2010 “...educational training...”
W. Schmidt, R. Zimmer, K. Völker Julkaistu 2008 “...educational training...”
ZZZ(Handball) Julkaistu 2002 “...educational training...”
Oberbeck, H. Julkaistu 1989 “...educational training...”