| 000 | 00512nam a2200205Ia 4500 | ||
|---|---|---|---|
| 008 | 140520s9999||||xx |||||||||||||| ||und|| | ||
| 082 | _a372.357 | ||
| 082 | _bN.C.E.R.T. | ||
| 100 | _aNational Council Of Educational Research And Training | ||
| 245 | _aLearning Science Through Environment : A Textbook For Primary Schools | ||
| 260 | _aNew Delhi | ||
| 260 | _bN. C. E. R. T. | ||
| 260 | _c1980 | ||
| 300 | _a75 | ||
| 300 | _bpb | ||
| 300 | _c7x9.5 | ||
| 350 | _a0 | ||
| 365 | _b0 | ||
| 365 | _dRuppes | ||
| 999 |
_c58966 _d58966 |
||