Helping the retarded a systematic behavioural approach

Bibliographic Details
Main Author:	Perkins, E.A
Other Authors:	Baird, David, Capie, A. C. M., Taylor, P. D.
Format:	Book
Language:	English
Published:	Kidderminster, Worcs. British Institute of Mental Handicap 1980.
Edition:	2nd ed.
Subjects:	Mentally handicapped > Behavior modification.