Manylion Llyfryddiaeth
| Awduron Corfforaethol: |
National Research Council (U.S.). Board on Children and Families,
Institute of Medicine (U.S.),
National Research Council (U.S.). Commission on Behavioral and Social Sciences and Education |
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| Awduron Eraill: |
White, Sheldon H. (Sheldon Harold), 1928-2005,
Phillips, Deborah A.,
Crowell, Nancy A. |
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| Fformat: | Licensed eBooks
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| Iaith: | Saesneg |
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| Cyhoeddwyd: |
Washington, D.C. :
National Academy Press,
1994.
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| Mynediad Ar-lein: | https://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=123757
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