| 000 | 00417nam a2200193Ia 4500 | ||
|---|---|---|---|
| 008 | 140520s9999||||xx |||||||||||||| ||und|| | ||
| 082 | _a507.12 | ||
| 082 | _bN.C.E.R.T. | ||
| 245 | _aTeaching Of Science In Secondary Schools | ||
| 260 | _aNew Delhi | ||
| 260 | _bN. C. E. R. T. | ||
| 260 | _c1982 | ||
| 300 | _axii;250 | ||
| 300 | _bpb | ||
| 300 | _c7x9.5 | ||
| 350 | _a0 | ||
| 365 | _b0 | ||
| 365 | _dRuppes | ||
| 999 |
_c59798 _d59798 |
||