| 000 | 00433nam a22001451a 4500 | ||
|---|---|---|---|
| 082 |
_a507.4 _bPKB/S |
||
| 100 | _aP K Bhattacharya | ||
| 245 |
_aScience and Technology education through exhibitions/ _cby P K Bhattacharya |
||
| 260 |
_aNew Delhi: _bNational council of Educational Research and Training, _c1991. |
||
| 300 | _a270p. | ||
| 650 | _aScience Exhibitions | ||
| 650 | _aScience Teaching | ||
| 650 | _aScience | ||
| 942 | _cBK | ||
| 999 |
_c41031 _d41031 |
||