Communication problems in mental retardation : diagnosis and management

[by] Herold S. Lillywhite [and] Doris P. Bradley
Bok · Engelsk · 1969 Herold S Lillywhite

Utgitt	New York : Harper & Row , [1969]
Omfang	xiii, 196 p.
Emner	Communicative disorders in children Mentally handicapped children