1.

図書
図書
1. Competitive sports for children and youth : an overview of research and issues
[edited by] Eugene W. Brown, Crystal F. Branta
出版情報: Champaign, Ill. : Human Kinetics Publishers, c1988
シリーズ名: Big Ten body of knowledge symposium series ; v. 16
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2.

図書
図書
2. Young athletes : biological, psychological, and educational perspectives
edited by Robert M. Malina
出版情報: Champaign, IL : Human Kinetics Publishers, c1988
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