| 000 | 00628nam a22002057a 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 005 | 20220324142149.0 | ||
| 008 | 121212b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a9231010581 | ||
| 040 | _cYeshi | ||
| 082 | _a507 SCI | ||
| 245 | _aNew Unesco source book for science teaching / | ||
| 260 |
_aUnesco : _bUnited nations educational, scientific and cultural Organization. _c1973. |
||
| 300 |
_a270 p. : _bill. ; _c21 cm. |
||
| 504 | _aIncludes index. | ||
| 650 |
_aScience _xStudy and teaching. |
||
| 650 |
_aScience _xExperiments _xJuvenile literature. |
||
| 650 |
_aScience _xExperiments. |
||
| 942 |
_2ddc _cBK |
||
| 999 |
_c3497 _d3497 |
||