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| 005 | 20250508155802.0 | ||
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| 037 | _aDissertations | ||
| 040 |
_aFEDL _beng _cFEDL |
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| 041 |
_aeng _2eng |
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| 084 |
_a540.7, GUP/DI _qFEDL |
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| 100 |
_aGupta Pramod Kumar _9524473 |
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| 245 | 0 | _aConstruction of a programmed text on 'electronic theory of valency' (Chemistry) for class 10th of Haldwani, distt, (Nainital) and finding out experimentally the effectiveness of high and low achievers in chemistry as compared to class room teaching | |
| 260 | _c1976 | ||
| 300 | _a92p. | ||
| 546 | _aM. Ed. Dissertation (Delhi University) | ||
| 942 |
_cDIS _h540.7, GUP/DI |
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| 999 |
_c1359285 _d1359285 |
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