| 000 | 00450 a2200157 4500 | ||
|---|---|---|---|
| 082 |
_a507 _bSHT |
||
| 100 |
_aGupta ,Sharwan Kumar _912729 |
||
| 245 |
_aTeaching physical sciences in secondary schools _cSharwan Kumar Gupta |
||
| 260 |
_aNew Delhi _bSterling Publishers _c1989 |
||
| 300 | _bvii, 232p. | ||
| 500 | _aIncludes index | ||
| 546 | _aeng. | ||
| 650 |
_aScience-Study and teaching _912730 |
||
| 650 |
_aScience education _912731 |
||
| 942 | _cBK | ||
| 999 |
_c6194 _d6194 |
||