Lanean...
A study on the sustainability of reverse Osmosis based community drinking water project : a special reference to Kuttanad in Alapuzha district
| Egile nagusia: | |
|---|---|
| Argitaratua: |
Payyannur
SSUS Regional Centre
2012
|
| Gaiak: |
| Deskribapen fisikoa: | 71p. |
|---|