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SEDL has joined the American Institutes for Research (AIR).
You will now be redirected to the AIR Newsletter Signup page.
SEDL merged with the American Institutes for Research (AIR) on January 1, 2015. This archived website contains the work of SEDL legacy projects and rich resources from the past 50 years.
SEDL has joined the American Institutes for Research (AIR).
You will now be redirected to the AIR Newsletter Signup page.
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