000 00602nam a2200205 a 4500
005 20210219153444.0
008 991125n 000 0 u
035 _aUPN01000100968
100 _aStern, Elsbeth
222 _aCONTEMPORARY EDUCATIONAL PSYCHOLOGY
245 _aSpontaneous use of conceptual mathematical knowledge in elementary school children
300 _a266-277
362 _a17, No. 3, 1992
505 _aEnero 1993
653 0 _aDESTREZAS MATEMATICAS
653 0 _aNIVEL DE CONOCIMIENTOS
653 0 _aRESOLUCION DE PROBLEMAS
904 _aAC
_b038779
905 _aArticulo
999 _c77340
_d77340