00555nam a2200193Ia 45000010005000000030005000050050017000100080041000270100015000680410007000830500023000901000050001132450056001632500016002192600058002353000011002936500034003046510023003387195BIBL20160527195437.0910930s1969    pr a     b   s00110 spa    a 91093007 0 asp0 aLB1051b.S148 196920aSánchez Hidalgo, Efraín Sigisfredo2Local10aPsicología educativacEfraín Sánchez Hidalgo.  a6. ed. rev.0 a[Río Piedras, P.R.]bEditorial Universitariac1969.  a578 p. 0aEducational psychology2Local 0aPuerto Rico2Local