Paper towel testing :

Paper towel testing : teacher's guide, grades 5-9

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Bibliographic Details
Main Author: Sneider, Cary Ivan
Other Authors: Barber, Jacqueline
Format: Book
Language:English
Published: Berkeley, CA : Gems, c1987
Subjects:
Consumer education.
Paper products > Quality > Testing.
Science > Methodology > Study and teaching (Elementary)
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