Soil conservation in the Philippines terminal report, February 15, 1956-February 1, 1958
| Egile nagusia: | |
|---|---|
| Erakunde egilea: | |
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | [Manila]
          United States Operations Mission to the Philippines
    
        [1958] | 
| Gaiak: |