Wastewater stabilization ponds principles of planning & practice.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Alexandria
World Health Organization, Regional Office for the Eastern Mediterranean
1987.
|
| Cyfres: | WHO EMRO technical publication
no. 10 |
| Pynciau: |