| 000 | 00390nam a22001457a 4500 | ||
|---|---|---|---|
| 020 | _a8173712018 | ||
| 082 |
_a507 _bUN |
||
| 245 | _aNew unesco source book for science teaching | ||
| 260 |
_aHyderabad _bUniversities press _c1999 |
||
| 300 | _a270p. | ||
| 650 |
_aPhysical science _94994 |
||
| 650 |
_aMagnetism and electricity _94995 |
||
| 650 |
_aEarth and space science _94996 |
||
| 942 | _cBK | ||
| 999 |
_c243545 _d243545 |
||