Communicative and cognitive abilities early behavioral assessment
Washington State University.Child Development and Mental Retardation Center.
Baltimore University Park Press
c1978
Proceedings of a conference held at Orcas Island, Wash., May 1976; sponsored by the National Institute of Child Health and Human Development and the Child Development and Mental Retardation Center, University of Washington, Seattle
Includes bibliographies and index
Children with mental disabilities
Cognition in children
Interpersonal communication