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A meta-analysis of rates of return to agricultural R & D : ex pede Herculem? / Julian M. Alston ... [et al.].
- 338.14 M5871
- International Food Policy Research Institute,
- c2000.
- Washington, D.C. :
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Urban livelihoods and food and nutrition security in Greater Accra, Ghana / Daniel Maxwell ... [et al.].
- 363.809667 U722
- International Food Policy Research Institute,
- c2000.
- Washington, D.C. :