00915nam a22003257i 4500 20141212094900.0 990719s1999 sp gr 000 0 spa c 1547-0350 (papel) eng LIFSHITZ, H. COMPARISON OF TWO METHODS OF TEACHING WORD-PROCESSING SKILLS TO PERSONS WITH MENTAL RETARDATION Adultos Aprendizaje Comunicación Discapacidad intelectual Edad Efectos Estudio comparativo Función mental Lenguaje Método educativo Discapacidad Documental EDUCATION AND TRAINING IN MENTAL RETARDATION AND DEVELOPMENTAL DISABILITIES Vol. 34, no. 1 (1999), p. 90-98 11.1 75 AR 19990719 R.404 AR