Picture communication symbols

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Johnson, Roxanna Mayer
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Solana Beach, Calif. Mayer-Johnson c1995.
Eagrán:	Wordless ed.
Ábhair:	Nonverbal communication in education. Special education. Self-help devices for people with disabilities. Signs and symbols. Visual communication.