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| 037 | _aTextual | ||
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_aFEDL _beng _cFEDL |
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_aeng _2eng |
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_a507, GUP _qFEDL |
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_aGupta Sharwan Kumar _9772947 |
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| 245 | 0 | _aTeaching physical sciences in secondary schools | |
| 260 |
_aNew Delhi, India _bSterling Publishers Private Limited _c1981 |
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| 300 | _avii,232p. | ||
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_cTEXL _h507, GUP |
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_c1376018 _d1376018 |
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