000 00740nam a2200241 a 4500
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035 _aUPN01000068285
100 _aShepardson, Daniel P.
222 _aSCHOOL SCIENCE AND MATHEMATICS
245 _aA comparison of student perceptions of science activities within three instructional approaches
300 _a127-131
362 _a93, No. 3, 1993
505 _aSeptiembre 1993
653 0 _aACTITUDES DEL ESTUDIANTE
653 0 _aACTIVIDADES CIENTIFICAS
653 0 _aINSTRUCCION CIENTIFICA
653 0 _aMETODOS DE ENSE\197ANZA
653 0 _aRESOLUCION DE PROBLEMAS
700 _aPizzini, Edward L.
904 _aAC
_b006096
905 _aArticulo
999 _c64475
_d64475