000 00592nam a2200217 a 4500
005 20210219153247.0
008 991125n 000 0 eng u
035 _aUPN01000086723
100 _aCOBB, Paul
222 _aHARVARD EDUCATIONAL REVIEW
245 _aMaking mathematics : children's learning and the constructivist tradition
260 _aMassachusetts, EUA
300 _a301-306
362 _a1986 Vol. 56, no. 3, aug.
653 0 _aAPRENDIZAJE
653 0 _aCONSTRUCTIVISMO
653 0 _aMATEMATICAS
653 0 _aNIÑOS
904 _aAC
_b024534
905 _aArticulo
999 _c72389
_d72389