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035 _aUPN01000069785
100 _aNiaz, Mansoor
222 _aJOURNAL OF RESEARCH IN SCIENCE TEACHING
245 _aCorrelates of formal operational reasoning : A neo-piagetian analysis
300 _a19-40
362 _a28, No. 1, 1991
505 _aJulio 1993
653 0 _aCARACTERISTICAS DEL ESTUDIANTE
653 0 _aEDUCACION CIENTIFICA
653 0 _aETAPAS DE DESARROLLO
653 0 _aTEORIAS DE APRENDIZAJE
904 _aAC
_b007596
905 _aArticulo
999 _c65093
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