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| 008 | 991125n 000 0 eng u | ||
| 035 | _aUPN01000076479 | ||
| 100 | _aDoran, Rodney L. | ||
| 222 | _aSCIENCE EDUCATION | ||
| 245 | _aEnrollment in advanced science courses in the USA | ||
| 300 | _a613-618 | ||
| 362 | _a1991 75, no. 6 | ||
| 653 | 0 | _aCURSOS AVANZADOS | |
| 653 | 0 | _aEDUCACION CIENTIFICA | |
| 653 | 0 | _aESCUELA SECUNDARIA DE CIENCIAS | |
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| 905 | _aArticulo | ||
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