Investing in young children pays dividends : the economic case for early care and education : hearing before the Joint Economic Committee, Congress of the United States, One Hundred Tenth Congress, first session, June 27, 2007
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Includes bibliographical references.
Also available via Internet from the GPO Access web site. Address as of 3/24/08: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=110%5Fsenate%5Fhearings&docid=f:38106.pdf; current access is available via PURL.