| 000 | 00481nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 131223s9999 xx 000 0 und d | ||
| 040 | _aISI KOLKATA | ||
| 041 | _aEnglish | ||
| 082 |
_a510.7 _bN277(3) |
||
| 100 | _aJohnson D A | ||
| 245 | _aHow to use field trips in mathematics | ||
| 260 |
_aWashington _bN C T M _c1956 |
||
| 440 | _aNational Council of Teachers of Mathematics : how to do it series, 3 | ||
| 650 | _aMathematics | ||
| 700 |
_aBrinke D T _4Auth. |
||
| 942 | _cBK | ||
| 999 |
_c49199 _d49199 |
||