Wastewater stabilization ponds principles of planning & practice.
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Alexandria
World Health Organization, Regional Office for the Eastern Mediterranean
1987.
|
| Saila: | WHO EMRO technical publication
no. 10 |
| Gaiak: |