Basic business and professional speech communication
| Egile nagusia: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Englewood Cliffs, NJ
Prentice-Hall
c1979.
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| Saila: | The Prentice-Hall series in speech communication
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| Gaiak: |