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SEDL has joined the American Institutes for Research (AIR).
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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 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.