International studies of national speech education systems.
| Erakunde egilea: | |
|---|---|
| Beste egile batzuk: | , |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Minneapolis
Burgess Pub. in cooperation with the Pacific Speech Association
[1970-
|
| Gaiak: |


