Picture communication symbols

Bibliografski detalji
Glavni autor:	Johnson, Roxanna Mayer
Format:	Knjiga
Jezik:	English
Izdano:	Solana Beach, Calif. Mayer-Johnson c1995.
Izdanje:	Wordless ed.
Teme:	Nonverbal communication in education. Special education. Self-help devices for people with disabilities. Signs and symbols. Visual communication.