Environmental health services in Europe 3 professional profiles
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Copenhagen
World Health Organization Regional Office for Europe
c1998.
|
| Cyfres: | European series WHO Regional Publications
no.82 |
| Pynciau: |