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| Main Author: | |
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| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Quebec :
Centre de Recherches en Psycho-Mathématique, Université de Sherbrooke,
1971.
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| Series: | Living mathematics.
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| Subjects: |
| Item Description: | At foot of title: International Study Group for Mathematics Learning. |
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| Physical Description: | 35, 41, 38, 58, 29 p. : ill. ; 28 cm. |