The picture exchange communication system training manual
By: Lori Frost and Andy Bondy ; with illustrations by Rayna Bondy.
Edition: 2nd ed.
Publisher: Pyramid Educational Products; Brand: Pyramid Educational Consultants, Inc.; Pyramid Educational Consultants, Inc.
Published: 2002
Place of publication: Newark, DE
Language: eng
Number of pages: 396
Subjects: People with mental disabilities -- Means of communication; Communication devices for people with disabilities; Autistic children -- Education; Autistic children -- Means of communication; Nonverbal communication in children