| 000 | 00361nam a22001457a 4500 | ||
|---|---|---|---|
| 999 |
_c5657 _d5657 |
||
| 020 | _a9231010581 | ||
| 082 |
_a507 _bU54 |
||
| 100 | _aUNESCO | ||
| 245 | _aNew UNESCO source book for science teaching | ||
| 260 |
_aFrance _bUNESCO _c1973 |
||
| 300 |
_a270 P. _billus. ; 22 cm. |
||
| 500 | _aIncludes index. | ||
| 650 | _aScience - Study and teaching | ||
| 942 | _cBK | ||