The economic implications of later school start times in the United States
| Autor: | Hafner, Marco, Stepanek, Martin, Troxel, Wendy M. |
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| Zdroj: | In Sleep Health: Journal of the National Sleep Foundation December 2017 3(6):451-457 |
| Databáze: | ScienceDirect |
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Full Text from ScienceDirect