Occupational health in developing countries in Asia service, training and research in eight countries
| Awduron Eraill: | , | 
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Tokyo
          Southeast Asian Medical Information Center
    
        1985. | 
| Cyfres: | SEAMIC publication
              no.43 | 
| Pynciau: |