Picture communication symbols

Detaylı Bibliyografya
Yazar:	Johnson, Roxanna Mayer
Materyal Türü:	Kitap
Dil:	English
Baskı/Yayın Bilgisi:	Solana Beach, Calif. Mayer-Johnson c1995.
Edisyon:	Wordless ed.
Konular:	Nonverbal communication in education. Special education. Self-help devices for people with disabilities. Signs and symbols. Visual communication.