00621nam a2200193Ia 45000010005000000030005000050050017000100080041000270100015000680500023000831000050001062450056001562500016002122600084002283000017003125040041003296500034003706510023004048266BIBL20160527203205.0910822s1972    pr a     b   s00110 spa    a 91008225 0 aLB1051b.S148 197220aSánchez Hidalgo, Efraín Sigisfredo2Local10aPsicología educativacEfraín Sánchez Hidalgo.  a7. ed. rev.0 aRío Piedras, P.R.bEditorial Universitaria, Universidad de Puerto Ricoc1972.  a586 p.bill.  aIncludes bibliographical references. 0aEducational psychology2Local 0aPuerto Rico2Local