The measurement of the fact burden of three geography textbooks for grades five, six, and seven

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Date
1947
Author
Sawyer, Merle Crawford
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http://hdl.handle.net/2144/18868
Description
Thesis (Ed.M.)--Boston University, 1947. This item was digitized by the Internet Archive.
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Based on investigation of the BU Libraries' staff, this work is free of known copyright restrictions
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