| 000 | 00469nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 230715s9999 xx 000 0 und d | ||
| 041 | _aEnglish | ||
| 100 | _aChandrasena, Hettiaratchige Don Senaris | ||
| 245 | 2 | _aA Suggested in Service Program for Elementary Science Teachers in Ceylon Schools | |
| 260 | _c1962 | ||
| 300 | _a56p. | ||
| 502 |
_cCornell University _bMSc _d1962 |
||
| 650 | _aMSc | ||
| 650 | _aScience | ||
| 650 | _aService Programe | ||
| 942 | _cTH | ||
| 999 |
_c91237 _d91237 |
||