An integrated model of perennial and annual crop production for Sub-Saharan countries /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
[Washington, D.C.] (1818 H St. NW, Washington 20433) :
International Economics Dept., The World Bank,
[1989]
|
| Series: | Policy, planning, and research working papers ;
WPS 175 |
| Subjects: |