Certain techniques used in developing a course of study in science for the Horace Mann Elementary School /
Main Author: | Craig, Gerald S. (Gerald Spellman), 1893- |
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Corporate Author: | Columbia University. Teachers College |
Format: | Book |
Language: | English |
Published: |
New York :
AMS Press,
1972.
|
Series: | Contributions to education ;
no. 276. |
Subjects: |