Guidelines for economic appraisal of watershed management projects
| Beste egile batzuk: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Rome
Food and Agriculture Organization of the United Nations
1988, c1987.
|
| Saila: | FAO conservation guide
16 |
| Gaiak: |