000 | 00736nam a2200229 a 4500 | ||
---|---|---|---|
005 | 20210219152824.0 | ||
008 | 991125n 000 0 eng u | ||
035 | _aUPN01000062360 | ||
100 | _aHacker, R. G. | ||
222 | _aJOURNAL OF RESEARCH IN SCIENCE TEACHING | ||
245 | _aA study of the effects of an organization change from streamed to mixed-ability classes upon science classroom instruction | ||
300 | _a223-231 | ||
362 | _a1993 30, no. 3 | ||
653 | 0 | _aAGRUPAMIENTO POR HABILIDADES | |
653 | 0 | _aEDUCACION CIENTIFICA | |
653 | 0 | _aGRUPOS HETEROGENEOS | |
653 | 0 | _aINSTRUCCION CIENTIFICA | |
653 | 0 | _aTECNICAS DE OBSERVACION EN EL AULA | |
700 | _aRowe, M. J. | ||
904 |
_aAC _b000171 |
||
905 | _aArticulo | ||
999 |
_c61681 _d61681 |