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| 005 | 20210219153119.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000078898 | ||
| 100 | 1 | _aStewart, Jim | |
| 222 | _aSCIENCE EDUCATION | ||
| 245 | _aExtending the conception of "problem" in problem-solving research | ||
| 300 | _a105-120 | ||
| 362 | 0 | _a1991 Vol. 75, no. 1 | |
| 653 | 0 | _aEDUCACION CIENTIFICA | |
| 653 | 0 | _aEDUCACION SECUNDARIA | |
| 653 | 0 | _aRESOLUCION DE PROBLEMAS | |
| 653 | 0 | _aREVISTA LITERARIA | |
| 700 | 1 | _aHafner, Robert, | |
| 700 | 1 | _ecoaut. | |
| 904 |
_aAC _b016709 |
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| 905 | _aArticulo | ||
| 999 |
_c68814 _d68814 |
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