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Time-use measurement and research : report of a workshop / Michele Ver Ploeg, Joseph Altonji, Norman Bradburn, Julie DaVanzo, William Nordhaus, and Francisco Samaniego, editors ; Committee on National Statistics, Commission on Behavioral and Social Sciences and Education, National Research Council.
- 640.43 T5839
- National Academy Press,
- Washington, D.C. :
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Science for all children : a guide to improving elementary science education in your school district / National Science Resources Center, National Academy of Sciences, Smithsonian Institution.
- 372.35044 S4161
- National Academy Press,
- 1997.
- Washington, D.C. :