New directions in elementary science teaching /

Bibliographic Details
Main Author:	Hurd, Paul DeHart, 1905-
Other Authors:	Gallagher, James Joseph, 1932-
Format:	Book
Language:	English
Published:	Belmont, Calif. : Wadsworth Pub. Co., [1968]
Series:	Wadsworth guides to science teaching.
Subjects:	Science > Study and teaching (Elementary)

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