| 000 | 00355nam a22001217a 4500 | ||
|---|---|---|---|
| 082 |
_a510 _bDUN.S |
||
| 100 | _aDuncan Ernest, R | ||
| 245 |
_aSchool mathematics : _bConcepts and skills / _cby Ernest, R Duncan and et al... |
||
| 260 |
_aNew Jersey : _bHoughton mifflin company, _c1975. |
||
| 300 | _a453p. ,: | ||
| 650 | _aSchool mathematics | ||
| 942 | _cBK | ||
| 999 |
_c621591 _d621591 |
||