000 00768nam a2200253 a 4500
005 20210219153415.0
008 991125n 000 0 u
035 _aUPN01000097357
100 _aSinger, Janice Ann
222 _aEDUCATIONAL STUDIES IN MATHEMATICS
245 _aRepresentations of proportinal relatinships : are children part-part of part-whole reasoners?
300 _a231-246
362 _a23, No. 3, 1992
505 _aMarzo 1993
653 0 _aCONCEPTOS MATEMATICOS
653 0 _aDESTREZAS DEL PENSAMIENTO
653 0 _aNUMEROS NACIONALES
653 0 _aPROCESOS COGNITIVOS
653 0 _aPROPORCIONES (MATEMATICAS)
653 0 _aRESOLUCION DE PROBLEMAS
700 _aResnick, Lauren B.
904 _aAC
_b035168
905 _aArticulo
999 _c76142
_d76142