How to communicate more effectively.
| 格式: | 图书 | 
|---|---|
| 语言: | English | 
| 出版: | East Lansing, Mich.
          Educational Institute of the American Hotel & Motel Association
    
        [19--] | 
| 丛编: | Lodging reprints
              no.3 | 
| 主题: | 
| 格式: | 图书 | 
|---|---|
| 语言: | English | 
| 出版: | East Lansing, Mich.
          Educational Institute of the American Hotel & Motel Association
    
        [19--] | 
| 丛编: | Lodging reprints
              no.3 | 
| 主题: |