| Iaith wreiddiol | Saesneg |
|---|---|
| Statws | Cyhoeddwyd - 1 Ion 2003 |
| Digwyddiad | American Speech-Language-Hearing Association conference, New York, USA. - Hyd: 3 Ion 0001 → … |
Cynhadledd
| Cynhadledd | American Speech-Language-Hearing Association conference, New York, USA. |
|---|---|
| Cyfnod | 3/01/01 → … |