| 000 | 00411 a2200157 4500 | ||
|---|---|---|---|
| 999 |
_c38514 _d40061 |
||
| 003 | ISURa | ||
| 008 | 151106b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a8120404114 | ||
| 041 | _aEnglish | ||
| 082 |
_a507 _bNEW |
||
| 245 | _aNew unesco source book for science teaching | ||
| 260 |
_c1973 _aNew Delhi _bOxford Publishing _g1973 |
||
| 300 |
_bill. _c23 cm. _a270 p. |
||
| 650 |
_aScience _975980 |
||
| 942 |
_cLN _2ddc |
||