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_c9048 _d9048 |
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| 008 | 180405b ||||| |||| 00| 0 eng d | ||
| 082 | _aDPer 050 Dec 2015-Mar 2016 T48 v186-187 | ||
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_927177 _aSifferlin, Alexandra. |
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| 245 |
_aWhy schools are struggling to let students sleep in/ _cAlexandra Sifferlin. |
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_aNew York: _bTime Inc., _c©Dec 2015-Mar 2016. |
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_av187 n6-7, pages 17-18: _billustrations; _c27 cm. |
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| 650 | 0 |
_927178 _aSleep. |
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_2ddc _cPER |
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