Online-Ressource
[Washington, D.C.] :[U.S. Dept. of Education, Institute of Education Sciences, National Center for Education Evaluation and Regional Assistance],
UID:
edocfu_9961073005702883
Umfang:
12 pages :
,
digital, PDF file
Anmerkung:
Title from title screen (viewed on June 4, 2008).
,
"April 2008."
,
"NCEE 2008-4019."
,
"This report was prepared for the Institute of Education Sciences under Contract No. ED-01-CO-0093/0004."
,
Mode of access: Internet from the IES web site. Address as of 06/04/08: http://ies.ed.gov/ncee/pdf/20084019.pdf; current access available via PURL.
Sprache:
Englisch
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