| 000 | 00453nam a2200133 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 008 | 220602b |||||||| |||| 00| 0 eng d | ||
| 082 |
_a507 _bSCH |
||
| 245 | _aSchool science teaching:report of an expert conferrence held at the university of ceylon peradeniya, december 1963. | ||
| 260 |
_aLondon: _bHer majesty's stationery office, _c1964. |
||
| 300 |
_a140p. _c23cm |
||
| 650 | 0 | _aEducation, research & related topics | |
| 942 |
_2ddc _cLM |
||
| 999 |
_c130776 _d130776 |
||