| 000 | 00391n a2200157 a 4500 | ||
|---|---|---|---|
| 000 | B B | ||
| 001 | 011269 | ||
| 005 | 20220201180117.0 | ||
| 082 |
_a793.73 _bN7 GEN |
||
| 100 | _aJha, Nawal Kant | ||
| 245 | _aUnderstanding Nature Science Puzzles | ||
| 260 |
_aDelhi _bGyan Sagar Publications _c1998 |
||
| 300 | _a132p. | ||
| 690 | _aQuestions and Answers,General | ||
| 908 | _aG | ||
| 999 |
_c11274 _d11274 |
||