Official Proceedings of the Third Asian Conference on Occupational Health held in Manila, Philippines, February 6-15, 1961
| Awduron Eraill: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Manila
Philippine Association of Occupational Medicine
c1961.
|
| Pynciau: |