Middle school/junior high science /

Bibliographic Details
Corporate Author:	National Science Teachers Association
Other Authors:	Penick, John E., Krajcik, Joseph S.
Format:	Book
Language:	English
Published:	Washington, D.C. : National Science Teachers Association, [1985]
Series:	Focus on excellence ; v. 2, no. 2.
Subjects:	Science > Study and teaching (Secondary) > United States.

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