| 000 | 00367nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 190710s9999 xx 000 0 und d | ||
| 020 | _a81-7629-181-1 | ||
| 082 | _a372.35 V19 | ||
| 100 | _aVaidya, Narendera | ||
| 245 | 0 | _aScience teaching in schools for the 21st century | |
| 260 |
_aNew Delhi _bDeep & Deep Publcations _c1999 |
||
| 300 | _axxxiv, 503 | ||
| 942 | _cBK | ||
| 999 |
_c31535 _d31535 |
||