
/ Stephen von Tetzchner and Harald Martinsen
Edition 1
Main Entry
Tetzchner, Stephen von، نویسندهTitle and Author
Introduction to sign teaching and the use of communication aids / / Stephen von Tetzchner and Harald MartinsenPhysical Description
x, 256 p.؛ : ill.Subject
Communication devices for people with disabilitiesAdded Identifiers
Language
انگلیسیRetrieval Number
Cataloger
کانورتورNotes
Translated from the Norwegian.