Partners in everyday communicative exchanges a guide to promoting interaction involving people with severe intellectual disability
| Prif Awdur: | |
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| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Baltimore
Paul H. Brookes Pub.
c1995.
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| Pynciau: |