| 000 | 00420nam a2200157 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 008 | 220602b |||||||| |||| 00| 0 eng d | ||
| 082 |
_a507.09 _bRAT |
||
| 100 | _aRathnayake, Winston | ||
| 245 | _aScience Education Series | ||
| 260 |
_aColombo : _bMaltilnd, _c1983. |
||
| 300 |
_a75p.; _c21cm |
||
| 650 | 0 | _aA. Karunasinha Collection | |
| 650 | 0 | _a Education, Research, Related Topics | |
| 942 |
_2ddc _cSR |
||
| 999 |
_c96133 _d96133 |
||