Developing elementary school science concepts through active games /

Bibliographic Details
Main Author:	Humphrey, James H. (James Harry), 1911-2008
Other Authors:	Humphrey, Joy N.
Format:	Book
Language:	English
Published:	Springfield, Ill., U.S.A. : C.C. Thomas, [1991]
Subjects:	Science > Study and teaching (Elementary) Games. Activity programs in education.

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