Family background, early development, and intelligence of children 6-11 years: United States / Jean Roberts and Arnold Engel.
Publication Info.
Hyattsville, Md. : U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1977.
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Description
1 online resource (v, 42 pages) : illustrations.
text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
Series
Vital and health statistics. Series 11, Data from the National Health Survey ; number 142