| 000 | 00689nam a2200241 a 4500 | ||
|---|---|---|---|
| 005 | 20210219153445.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000100990 | ||
| 100 | _aEckstein, Shulamith G. | ||
| 222 | _aJOURNAL OF RESEARCH IN SCIENCE TEACHING | ||
| 245 | _aStage theory of the development of alternative conceptions | ||
| 300 | _a45-64 | ||
| 362 | _a30, No. 1, 1993 | ||
| 505 | _aOctubre 1993 | ||
| 653 | 0 | _aCONCEPTOS CIENTIFICOS | |
| 653 | 0 | _aCONCEPTOS ERRONEOS | |
| 653 | 0 | _aEDUCACION CIENTIFICA | |
| 653 | 0 | _aETAPAS DE DESARROLLO | |
| 653 | 0 | _aFORMACION CONCEPTUAL | |
| 700 | _aShemesh, Michal | ||
| 904 |
_aAC _b038801 |
||
| 905 | _aArticulo | ||
| 999 |
_c77356 _d77356 |
||