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| 100 | _aGupta J P | ||
| 245 | 0 | _aSurvey of the existing conditions of the physics laboratories of higher secondary school in Delhi (Both in respect of functioning and provisions) | |
| 260 | _c1966 | ||
| 300 | _a14p. | ||
| 546 | _aM.Ed.Dissertation (Delhi University) | ||
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