Communication for the speechless an introduction to nonvocal communication systems for the severely communicatively handicapped
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Englewood Cliffs, NJ
Prentice-Hall
c1980.
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| विषय: |