Guidelines for economic appraisal of watershed management projects
| Другие авторы: | |
|---|---|
| Формат: |  | 
| Язык: | English | 
| Опубликовано: | Rome
          Food and Agriculture Organization of the United Nations
    
        1988, c1987. | 
| Серии: | FAO conservation guide
              16 | 
| Предметы: |