Descriptor
| Foreign Countries | 1 |
| Manual Communication | 1 |
| Nonverbal Communication | 1 |
| Sign Language | 1 |
| Speech Handicaps | 1 |
| Speech Instruction | 1 |
| Speech Skills | 1 |
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| Kaufmann, Pat | 1 |
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Education Level
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| Australia | 1 |
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Kaufmann, Pat – Australian Journal of Mental Retardation, 1978
Descriptors: Foreign Countries, Manual Communication, Nonverbal Communication, Sign Language
