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_a507, JAN _qFEDL |
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| 100 | _aJanardan Prasad | ||
| 245 | 0 | _aPractical aspects in teaching of science | |
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_aNew Delhi, India _bKanishka Publishers _c1999 |
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| 365 |
_aINR _b450 |
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| 650 | _aScience Education | ||
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_cTB _h507, JAN |
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