Allen, T., Blocken, B., Drory, A., Espinosa, H. G. Julkaisussa Sports Engineering (2020) “...educational training...”
Julkaistu 2008 “...educational training...”
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Lepeshev, V. P. Julkaisussa Teorija i Praktika fiziceskoj Kul'tury (1997) “...educational training...”
Kuzin, V. V. Julkaisussa Teorija i Praktika fiziceskoj Kul'tury (1997) “...educational training...”
Ageevets, V. U., Yevseyev, S. P., Losin, B. E. Julkaisussa Teorija i Praktika fiziceskoj Kul'tury (1997) “...educational training...”