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總筆數:2
| 篇名 | 作者 | 刊名 | 出版年 | 查看 |
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| Investment in soil conservation in northern Ethiopia: the role of landtenure security and public programs |
Gebremedhin, B.;Swinton, S.M.; |
Agricultural Economics |
2003-07-01 |
查看 |
| The economic determinants of cereal crop diversity on farms in theEthiopian highlands |
Benin, S.;Smale, M.;Pender, J.;Gebremedhin, B.;Ehui, S.; |
Agricultural Economics |
2004-12-01 |
查看 |
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