TY - BOOK AU - Mitchell,David R. AU - Brown,Roy I. TI - Early intervention studies for young children with special needs SN - 0412315300 PY - 1991/// CY - London PB - Chapman & Hall KW - Child Development Disorders KW - diagnosis KW - Child, Preschool KW - Education, Special KW - Disabled KW - In infancy and childhood KW - Mental retardation KW - Program evaluation KW - Methods ER -