000 00600nam a2200217 a 4500
005 20210219153316.0
008 991125n 000 0 u
035 _aUPN01000090745
100 _aIsaacson, Stephen L.
222 _aJOURNAL OF LEARNING DISABILITIES
245 _aOpen systems as seen on the street and fron the fourteenth floor
300 _a326-329
362 _a26, No. 5, 1993
505 _aNoviembre 1993
653 0 _aFILOSOFIA EDUCATIVA
653 0 _aPROBLEMAS DE APRENDIZAJE
653 0 _aREALISMO
653 0 _aTEORIAS
904 _aAC
_b028556
905 _aArticulo
999 _c73738
_d73738