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總筆數:3
| 篇名 | 作者 | 刊名 | 出版年 | 查看 |
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| The impact of agricultural research in Africa: aggregate and case studyevidence |
Masters, W.A.;Bedingar, T.;Oehmke, J.F.; |
Agricultural Economics |
1998-09-01 |
查看 |
| Genetic improvements in major US crops: the size and distribution ofbenefits |
Frisvold, G.B.;Sullivan, J.;Raneses, A.; |
Agricultural Economics |
2003-03-01 |
查看 |
| Genetic improvements in major US crops: the size and distribution ofbenefits |
Frisvold, G.B.;Sullivan, J.;Raneses, A.; |
Agricultural Economics |
2003-03-01 |
查看 |
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