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| 005 | 20210219153426.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000098109 | ||
| 100 | _aSpain, Ragan S. | ||
| 222 | _aSCIENCE TEACHER | ||
| 245 | _aRole-playing reactions : identifying with the elements | ||
| 300 | _a38-40 | ||
| 362 | _a59, No. 9, 1992 | ||
| 505 | _aMayo 1993 | ||
| 653 | 0 | _aDESEMPEÑO ACADEMICO | |
| 653 | 0 | _aEDUCACION CIENTIFICA | |
| 653 | 0 | _aQUIMICA | |
| 904 |
_aAC _b035920 |
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| 905 | _aArticulo | ||
| 999 |
_c76457 _d76457 |
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