Elementary school mathematics.
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Washington :
Center for Applied Research in Education,
[1964]
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| Series: | Library of education.
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| Subjects: |
| Physical Description: | viii, 111 pages : diagrams ; 24 cm. |
|---|---|
| Bibliography: | Bibliography: pages 102-103. |