Crop variety improvement and its effect on productivity : the impact of international agricultural research
| Other Authors: | Evenson, Robert E, Gollin, D |
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| Published: |
UK:
CABI Publishing,
2003.
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| Subjects: |
| Physical Description: |
xxv, 522 p.: ill.; 24 cm. |
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| Bibliography: |
Includes bibliographical references and index |
| ISBN: |
0851995497 |