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總筆數:2
| 篇名 | 作者 | 刊名 | 出版年 | 查看 |
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| Resource degradation and adoption of land conservation technologies in theEthiopian Highlands: A case study in Andit Tid, North Shewa |
Shiferaw, B.;Holden, S.T.; |
Agricultural Economics |
1998-05-01 |
查看 |
| Policy instruments for sustainable land management: the case of highlandsmallholders in Ethiopia |
Shiferaw, B.;Holden, S.T.; |
Agricultural Economics |
2000-04-01 |
查看 |
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