| 000 | 00379nam a22001457a 4500 | ||
|---|---|---|---|
| 999 |
_c157225 _d157225 |
||
| 082 |
_a _b |
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| 100 | _aRatho T N | ||
| 100 | _aRavi Prakash | ||
| 245 |
_aModern encyclopaedia of science teaching: _cby Ratho T N and Ravi Prakash. _b concepts and techniques (v.1)/ |
||
| 260 |
_aNew DElhi: _bKanishka, _c1994. |
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| 300 | _a25p. | ||
| 600 | _a | ||
| 650 | _a | ||
| 942 | _cBK | ||