Picture communication symbols

书目详细资料
主要作者:	Johnson, Roxanna Mayer
格式:	图书
语言:	English
出版:	Solana Beach, Calif. Mayer-Johnson c1995.
版:	Wordless ed.
主题:	Nonverbal communication in education. Special education. Self-help devices for people with disabilities. Signs and symbols. Visual communication.