A Comparative Investigation of Aerospace Concepts of Sixth Grade Teachers and Students in Southeast Polk Schools

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Date
1971-08
Author
Thorp, Charlotte Belle
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Subject
 Aeronautics--Education (Elementary)--Iowa--Comparative studies.; Aeronautics--Knowledge and learning--Education (Elementary)--Iowa. 
Description
48 leaves
URI
http://hdl.handle.net/2092/1168
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