Hallahan, Daniel P. Exceptional children. introduction to special education - 4 - Estados Unidos de América: Prentice hall - 530 pg ISBN: 0 13 295585 7 Subjects--Topical Terms: 1. EDUCACIÓN ESPECIAL 2. EXCEPTIONAL CHILDREN 3. MENTAL RETARDATION 4. SPECIAL EDUCATION Universal Decimal Class. No.: 371.9 H1281