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|---|---|---|---|
| 005 | 20210219153535.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000105423 | ||
| 100 | _aLederman, Norman G. | ||
| 222 | _aJOURNAL OF RESEARCH IN SCIENCE TEACHING | ||
| 245 | _aYou can't do it by arithmetic, you have to do it by algebra! | ||
| 300 | _a1011-1013 | ||
| 362 | _a29, No. 9, 1992 | ||
| 505 | _aMarzo 1993 | ||
| 653 | 0 | _aEDUCACION CIENTIFICA | |
| 653 | 0 | _aINVESTIGACION DE CALIDAD | |
| 653 | 0 | _aINVESTIGACION EDUCATIVA | |
| 653 | 0 | _aMETODOLOGIA DE LA INVESTIGACION | |
| 904 |
_aAC _b043234 |
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| 905 | _aArticulo | ||
| 999 |
_c79474 _d79474 |
||