| Type |  Book |
| ชื่อเรื่อง | Improving cash crops in Africa : factors influencing the productivity of cotton, coffee, and tea grown by smallholders / Stephen J. Carr |
| ผู้แต่ง | Carr, Stephen J |
| ISBN | 0821325094 |
| พิมพลักษณ์ | Washington, D.C. : World Bank, c1993 |
| รูปเล่ม | xvi, 58 p. ; 28 cm |
| หัวเรื่อง | Agricultural productivity --Africa, Sub-Saharan [] |
| | Cash crops --Africa, Sub-Saharan [] |
| | Coffee trade --Africa, Sub-Saharan [] |
| | Cotton trade --Africa, Sub-Saharan [] |
| | Crops --Africa, Sub-Saharan [] |
| | Exports --Africa, Sub-Saharan [] |
| | Farms, Small --Africa, Sub-Saharan [] |
| | Produce trade --Africa, Sub-Saharan [] |
| | Tea trade --Africa, Sub-Saharan [] |