Environmental health services in Europe 1 an overview of practice in the 1990s
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Copenhagen
World Health Organization. Regional Office for Europe
c1997.
|
| Cyfres: | WHO regional publications. European series
no.76 |
| Pynciau: |