{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Children's age moderates the effect of practice variability: a quantitative review.: An article from: Research Quarterly for Exercise and Sport","author_name":"Jin H. Yan, Jerry R. Thomas, Katherine T. Thomas","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000988KRI.html\">Children&#039;s age moderates the effect of practice variability: a quantitative review.: An article from: Research Quarterly for Exercise and Sport</a>","width":400,"height":300}