000 00684nam a2200217 a 4500
005 20210219153121.0
008 991125n 000 0 eng u
035 _aUPN01000078995
100 _aGliner, Gails S.
222 _aEDUCATIONAL STUDIES IN MATHEMATICS
245 _aFactors contributing to success in mathematical estimation in preservice teachers : types of problems and previous mathematical experience
300 _a595-606
362 _a1991 22, no. 6
653 0 _aAPLICACION DE LAS MATEMATICAS
653 0 _aARITMETICA
653 0 _aDESTREZAS MATEMATICAS
653 0 _aESTIMA
653 0 _aPRUEBAS MATEMATICAS
904 _aAC
_b016806
905 _aArticulo
999 _c68885
_d68885