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| 037 | _aTextual | ||
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_aeng _2eng |
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_a507, NCE _qFEDL |
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| 245 | 0 | _aTeacher's guide to science is doing: Class 4 | |
| 245 | 0 | _cNCERT | |
| 250 | _aExperimental edition | ||
| 260 |
_aNew Delhi, India _bNational Council of Educational Research and Training _c1971 |
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| 300 | _a73p. | ||
| 650 | _aScience education | ||
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_cTEXL _h507, NCE |
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