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3
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Displaced pastoralists and transferred wheat technology in Tanzania / Charles Lane, Jules N. Pretty.
- International institute for environment and development. Sustainable agriculture programme,
- 1990.
- London :
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Stress, shock and the sustainability of optimal resource utilization in a stochastic environment / Charles Perrings.
- London environmental economics centre,
- 1990.
- London :
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Short-term gains in livestock management may lead to long-term range management benefits : a pilot programme in Morocco / by Charles W. Gay...[et al.].
- Overseas development institute,
- 1990.
- London :