000 00586nam a2200229 a 4500
005 20210219152853.0
008 991125n 000 0 eng u
035 _aUPN01000064313
100 1 _aTobias, Sheila
222 _aHARVARD EDUCATIONAL REVIEW
245 _aAnxiety and mathematics : an up date
260 _aMassachusetts, EUA
300 _a63-70
362 0 _a1980 Vol. 50, no. 1, feb.
653 0 _aANSIEDAD
653 0 _aCOMPORTAMIENTO
653 0 _aMATEMATICA
700 1 _aWeissbrod, Carol,
700 1 _ecoaut.
904 _aAC
_b002124
905 _aArticulo
999 _c62528
_d62528