Farmers' Estimations as a Source of Production Data: Methodological Guidelines for Cereals in Africa. Technical Paper No. 32. By J. Murphy, D. J. Casley and J. J. Curry. Washington DC: The World Bank (1991), pp. 80, US$6.95. ISBN 0-8213-1705-9.

1992 ◽  
Vol 28 (3) ◽  
pp. 369-369
Author(s):  
E. J. Wibberley
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