Picture communication symbols

Podrobná bibliografie
Hlavní autor:	Johnson, Roxanna Mayer
Médium:	Kniha
Jazyk:	English
Vydáno:	Solana Beach, Calif. Mayer-Johnson c1995.
Vydání:	Wordless ed.
Témata:	Nonverbal communication in education. Special education. Self-help devices for people with disabilities. Signs and symbols. Visual communication.