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| 037 | _aDissertations | ||
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_aeng _2eng |
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_a510.7, COM/DI _qFEDL |
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| 245 | 0 | _aComparative study of the psychological abilities involved in the learning of higher and lower mathematics at the higher secondary level in Delhi | |
| 260 | _c1973 | ||
| 300 | _a77p. | ||
| 546 | _aM. Ed. Dissertration (Delhi University) | ||
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| 999 |
_c1359173 _d1359173 |
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