Shut up and sell : tested techniques for closing the sale / Don Sheehan ; foreword by Norman Vincent Peale
| Autor principal: | |
|---|---|
| Format: | Llibre | 
| Idioma: | English | 
| Publicat: | [Manila]
          National Book Store
    
        c1981 | 
| Matèries: | 
| Autor principal: | |
|---|---|
| Format: | Llibre | 
| Idioma: | English | 
| Publicat: | [Manila]
          National Book Store
    
        c1981 | 
| Matèries: |