Signs & symbols : communication for mentally handicapped people /

Bibliographic Details
Main Author:	Jones, Philip R., 1952-
Other Authors:	Cregan, Ailsa, 1938-
Format:	Book
Language:	English
Published:	London ; Dover, N.H. : Croom Helm, [1986]
Subjects:	People with mental disabilities > Means of communication. Nonverbal communication.