Farmers' estimations as a source of production data methodological guidelines for cereals in Africa
| 主要作者: | |
|---|---|
| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Washington
World Bank
c1991.
|
| 叢編: | World Bank technical paper
132 Africa Technical Department series |
| 主題: |