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Africa's Farming Revolution
Robert Calderisi, Michael J. Sheridan, Monty Jones, Princeton N. Lyman, Nicolas van de Walle and Ron LaDow
The Wilson Quarterly (1976-)
Vol. 32, No. 2 (Spring, 2008), pp. 6-7, 9-10
Published by: Wilson Quarterly
Stable URL: http://www.jstor.org/stable/40262363
Page Count: 4