The practice of marketing research
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | London
          Heinemann [for] Communication Advertising and Marketing Education Foundation
    
        [c1973] | 
| Pynciau: | 
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | London
          Heinemann [for] Communication Advertising and Marketing Education Foundation
    
        [c1973] | 
| Pynciau: |