| 000 | 00291nam a2200085Ia 4500 | ||
|---|---|---|---|
| 008 | 170620s9999 xx 000 0 und d | ||
| 100 | _aRao- Digumarti Bhaskara | ||
| 245 | 0 | _aInternational Encyclopedia of Science &Technology Education-5- Science and Techn | |
| 260 | _bNew Delhi- Discovery Publishing House | ||
| 260 | _c2001 | ||
| 999 |
_c24398 _d24398 |
||