The global environmental benefits of land degradation control on agricultural land.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | Washington, D.C.
          World Bank
    
        1999. | 
| Cyfres: | World bank environment paper no 16 | 
| Pynciau: |