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總筆數:2
| 篇名 | 作者 | 刊名 | 出版年 | 查看 |
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| Valuing groundwater recharge through agricultural production in theHadejia-Nguru wetlands in northern Nigeria |
Acharya, G.;Barbier, E.B.; |
Agricultural Economics |
2000-04-01 |
查看 |
| Agriculture, pesticides and the ecosystem |
Pethig, R.; |
Agricultural Economics |
2004-07-01 |
查看 |
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