| 000 | 00306nam a2200121Ia 4500 | ||
|---|---|---|---|
| 100 | _aGupta, Sharwan Kumar | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 | _aTeaching physical sciences in secondary schools | ||
| 260 |
_aNew Delhi _bSterling Publishers _c1981 |
||
| 082 | _a375.53 | ||
| 300 |
_bHb _c21.6 _avi,2,184 |
||
| 999 |
_c400178 _d400178 |
||
| 041 | _aeng | ||