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The effects of an in-service training program in science for teachers of grades 4-6 in Hammond, Indiana
Dissertation

The effects of an in-service training program in science for teachers of grades 4-6 in Hammond, Indiana

Mary Jean Pettersen
University of Iowa
Doctor of Philosophy (PhD), University of Iowa
1968
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6908788
Embargoed Access, Embargo ends: 01/01/2064

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