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總筆數:2
| 篇名 | 作者 | 刊名 | 出版年 | 查看 |
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| Testing the induced innovation hypothesis: an error correction model ofSouth African agriculture |
Thirtle, C.;Townsend, R.;van Zyl, J.; |
Agricultural Economics |
1998-09-01 |
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| Short and long-run returns to agricultural R&D in South Africa, or will thereal rate of return please stand up? |
Schimmelpfennig, D.;Thirtle, C.;van Zyl, J.;Arnade, C.;Khatri, Y.; |
Agricultural Economics |
2000-06-01 |
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