Farmers' estimations as a source of production data methodological guidelines for cereals in Africa
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Washington
World Bank
c1991.
|
| Cyfres: | World Bank technical paper
132 Africa Technical Department series |
| Pynciau: |