The Case For Cultivating Intrinsic Motivation: Strategies For Putting The Fun Back Into Youth SportsKelly S. Witte,Lynda Butler-StorsvedINTERNATIONAL SPORT COACHING JOURNAL(2012)引用 0|浏览0暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要