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| 001 | 9499 | ||
| 003 | CY-NiPEI | ||
| 005 | 20200716100925.0 | ||
| 008 | 170517s1953 uk a f ||| |engd | ||
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_beng _aCY-NiPEI |
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| 082 | 7 |
_a372.72 _223 |
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| 100 | 1 |
_aStern, Catherine _d1894- _4aut _916763 |
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| 245 | 1 | 0 |
_aChildren discover arithmetic : _ban introduction to structural arithmetic / _cCatherine Stern ; foreword by Marguerite Lehr. |
| 260 |
_aLondon: _bGeorge G. Harrap, _c1953. |
||
| 300 |
_axxiv, 295 p. : _bill. ; _c22 cm. |
||
| 504 | _aIncludes bibliography (p. 291-292). | ||
| 650 | 4 |
_aArithmetic _xStudy and teaching _9575 |
|
| 700 | 1 |
_aLehr, Marguerite _4aui _910332 |
|
| 710 | 2 | 0 |
_aHarrap _4pbl _97723 |
| 911 |
_a022952 _e20170517 _j1953 _n372.72 STE _p1 _q15 _r0 _s0 |
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_2ddc _cBK _h372.72 STE |
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