000 00704nam a2200229 a 4500
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035 _aUPN01000082740
100 _aMartens, Mary Lee
222 _aSCHOOL SCIENCE AND MATHEMATICS
245 _aInhibitors to implementing a problem-solving approach to teaching elementary science : case study of a teacher in change
300 _a150-156
362 _a92, No. 3, 1992
505 _aSeptiembre 1992
653 0 _aCAMBIO DE ACTITUD
653 0 _aCAMBIO EDUCATIVO
653 0 _aINSTRUCCION CIENTIFICA
653 0 _aRESOLUCION DE PROBLEMAS
653 0 _aROL DEL MAESTRO
904 _aAC
_b020551
905 _aArticulo
999 _c70480
_d70480