Predicting change in middle school students’ leisure-time physical activity participation: A prospective test of the trans-contextual model 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Predicting change in middle school students’ leisure-time physical activity participation: A prospective test of the trans-contextual model

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