voces presentes y pasadas Schlemenson, Silvia. creator Alvarez, Patricia. text bibliography ag Buenos Aires Paidós 2004 1a ed. monographic spa 138 p. ill. 22 cm. Silvia Schlemenson ; con la colaboración de Patricia Alvarez, Gustavo Cantú, Gerardo Prol. Includes bibliographies. Learning disabled children Language Language disorders in children Treatment Speech therapy for children LC4704.85 .S33 2004 9501221768 UIA 041206 20160527194753.0 275058 spa