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總筆數:3
| 篇名 | 作者 | 刊名 | 出版年 | 查看 |
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| Is livestock research unproductive? - Separating health maintenance fromimprovement research |
Townsend, R.;Thirtle, C.; |
Agricultural Economics |
2001-09-01 |
查看 |
| The economic impact of productivity maintenance research: breeding for leafrust resistance in modern wheat |
Marasas, C.N.;Smale, M.;Singh, R.P.; |
Agricultural Economics |
2003-12-01 |
查看 |
| The economic impact of productivity maintenance research: breeding for leafrust resistance in modern wheat |
Marasas, C.N.;Smale, M.;Singh, R.P.; |
Agricultural Economics |
2003-12-01 |
查看 |
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