Do investments in universal early education pay off? : long-term effects of introducing kindergartens into public schools /
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| Format: | Book |
| Language: | English |
| Published: |
Cambridge, Mass. :
National Bureau of Economic Research,
2009.
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| Series: | NBER working paper series ;
no. 14951. |
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| Physical Description: | 60 p. : ill. ; 22 cm. |
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| Bibliography: | Includes bibliographical references. |