| 000 | 00338nam a2200145Ia 4500 | ||
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| 005 | 20260205050934.0 | ||
| 008 | 260111s9999||||xx |||||||||||||| ||und|| | ||
| 082 | _a136.7 P577C | ||
| 100 | _aPIAGET JEAN | ||
| 245 | 0 | _aCHILD'S CONCEPT OF NUMBERS | |
| 260 |
_aLOND. _bKEGAN |
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| 300 | _a248 | ||
| 690 | _aCHILD;PSYCHOLOGY | ||
| 942 | _cBK | ||
| 999 |
_c88218 _d88218 |
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