Case study research design and methods
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Beverly Hills, Calif.
          Sage Publications
    
        c1984. | 
| Cyfres: | Applied social research methods series
              v. 5 | 
| Pynciau: | 


