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Prentice Hall
> Rudolph A Baldini
Rudolph A Baldini
title
ISBN-13
(ISBN-10)
year of publication
Student science activities for grades 6-9
978-O-13-855817-8
(O-13-855817-5)
1973
A. B.
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A. Baldini
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R. A.
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R. B.
Rudolph A. J. Trouw