| 000 | 00477nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 131223s9999 xx 000 0 und d | ||
| 040 | _aISI KOLKATA | ||
| 041 | _aEnglish | ||
| 082 |
_a510.7 _bB496 |
||
| 100 | _aBerger E J | ||
| 245 | _aGuide to the use and procurement of teaching aids for mathematics | ||
| 260 |
_aWashington _bNational Council of Teachers of Mathematics _c1959 |
||
| 300 | _a41p | ||
| 650 | _aMathematics | ||
| 700 |
_aJohnson D A _4Auth. |
||
| 942 | _cBK | ||
| 999 |
_c49203 _d49203 |
||