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Home > Iowa Academy of Science > Journals & Newsletters > Iowa Science Teachers Journal > Volume 28 > Number 3 (1991)

 

Document Type

Article

Publication Date

Winter 1991-92

Journal Title

Iowa Science Teachers Journal

Volume

28

Issue

3

First Page

19

Last Page

23

Copyright

© Copyright 1991 by the Iowa Academy of Science

Language

en

File Format

application/pdf

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