| 000 | 00471nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 190328s9999||||xx |||||||||||||| ||und|| | ||
| 040 |
_aNITIL _cNITIL |
||
| 082 |
_221st _a600 _bD488V |
||
| 100 | _aDevendra Kumar (Tr) | ||
| 245 | 0 |
_aVigyan jagat _c Devendra Kumar |
|
| 260 |
_aNew Delhi _bVigyan Bharati _c1995 |
||
| 300 | _a188p. | ||
| 500 | _aTranslated into Hindi of : Understanding science | ||
| 650 | _aScience-Experiments; Science-Study and teaching | ||
| 942 | _cBKS | ||
| 999 |
_c31199 _d31199 |
||