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| 100 | _aBrown Kenneth | ||
| 245 | 0 | _aAnalysis of research in the teaching of mathematics 1957 and 1958 | |
| 245 | 0 | _cU. S. Department of Health, Education, and Welfare | |
| 260 |
_aWashington, USA _bU.S. Government Printing Office _c1960 |
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| 300 | _avi,50p. | ||
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_a Kinsella John J _9764079 |
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