| 000 | 00398nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 220721s1979 xx 000 0 und d | ||
| 041 | _aeng | ||
| 082 | _a574.5(07) | ||
| 100 | _aNational Council Of Educational Research And Training | ||
| 245 | _aLearning Science through Environment: A Textbook for Primary Schools | ||
| 260 |
_aNew Delhi _bNcert _c1979 |
||
| 300 | _a75P. | ||
| 999 |
_c82017 _d82017 |
||