Elementary school mathematics: new directions.
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Series: | Bulletin (United States. Office of Education) ;
1963, no. 13. |
| Subjects: |
| Item Description: | "OE-29042." |
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| Physical Description: | vi, 116 pages : illustrations ; 24 cm. |
| Bibliography: | Bibliography: p. 105-106. |