Bergan, John R. Psicologia educativa / John R. Bergan / coaut. James A. Dunn - Mexico : Limusa , 1990 , c1980. - 670 p. pb. : tbs. otr. ISBN: 968-18-1200-X Subjects--Topical Terms: Psicologia educativaEducacion, Psicologia de la Dewey Class. No.: 370.15 BER