The on-site and downstream costs of soil erosion
| Egile nagusia: | |
|---|---|
| Beste egile batzuk: | , | 
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | Makati, Metro Manila
          Philippine Institute for Development Studies
    
        1988. | 
| Saila: | Working paper / Philippine Institute for Development Studies
              no.88-11 | 
| Gaiak: |