| 000 | 00353nam a2200157Ia 4500 | ||
|---|---|---|---|
| 700 | _aSingh, Uttam Kumar | ||
| 100 | _aSingh, Uttam Kumar | ||
| 020 | _a81-7169-408-X | ||
| 365 | _b145 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 | _aTeaching of science | ||
| 260 |
_aNew Delhi _bCommonwealth Publishers _c2005 |
||
| 082 | _a375.5 | ||
| 300 |
_bPb _a6256 |
||
| 999 |
_c396086 _d396086 |
||
| 041 | _aeng | ||