The growth of understanding in mathematics kindergarten through grade three.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
Holt
Rinehart and Winston, [1971]
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| Cyfres: | Early childhood education series
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| Pynciau: |