How to communicate more effectively.
| التنسيق: | كتاب |
|---|---|
| اللغة: | English |
| منشور في: |
East Lansing, Mich.
Educational Institute of the American Hotel & Motel Association
[19--]
|
| سلاسل: | Lodging reprints
no.3 |
| الموضوعات: |