Validity and reliability of questionnaires measuring physical activity self-efficacy, enjoyment, social support among Hong Kong Chinese children
| Autor: | Liang, Yan, Lau, Patrick W.C., Huang, Wendy Y.J., Maddison, Ralph, Baranowski, Tom |
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| Zdroj: | In Preventive Medicine Reports 2014 1:48-52 |
| Databáze: | ScienceDirect |
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