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Letters: The Discovery and Rediscovery of Productivity Relationships in Education

Educational Researcher

Impact Factor: 5.5 / 5-Year Impact Factor: 7.9

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First published online February, 1974

Letters: The Discovery and Rediscovery of Productivity Relationships in Education

Volume 3, Issue 2

https://doi.org/10.3102/0013189X003002002

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