Decreasing costs in peasant tobacco production : an application o f separate programming / by David Feldman.
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TextSeries: University College, Dar es Salaam. Research Research Bureau ; E.R .B. Paper 68.20Publication details: Dar es Salaam : University College, 1973?Description: 20 p. ; 30 cmSubject(s):
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Includes bibliographical references (p. 20).
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