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Home > Iowa Academy of Science > Journals & Newsletters > Iowa Science Teachers Journal > Volume 28 > Number 2 (1991)

 

Document Type

Article

Publication Date

Autumn 1991

Journal Title

Iowa Science Teachers Journal

Volume

28

Issue

2

First Page

29

Last Page

33

Copyright

© Copyright 1991 by the Iowa Academy of Science

Language

en

File Format

application/pdf

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