New light on children's ideas of number : the work of professor Piaget /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London :
Ward Lock Educational,
1960 [reprinted 1972]
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| Subjects: |
| Physical Description: | 41 σ. ; 22 εκ. |
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| Bibliography: | Περιέχει βιβλιογραφικές παραπομπές. |
| ISBN: | 070623264X |
