Joint ILO/WHO Committe on the hygiene of seafarers report on the first session, Geneva, 12-14 Desember 1949
| Format: | Book |
|---|---|
| Bahasa: | eng |
| Terbitan: |
Geneva:
World Health Organization
, 1950
|
| Series: |
World Health Organization Technical Report Series ;
No. 20 |
| Subjects: |