Spencer, D. (1991). Collecting meaningful data on labor use and farm size for economic analysis associated with onfarm trials in subSaharan African.
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Cita Chicago Style (17a ed.)
Spencer, D.S.C. Collecting Meaningful Data on Labor Use and Farm Size for Economic Analysis Associated with Onfarm Trials in SubSaharan African. 1991.
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Cita MLA (9a ed.)
Spencer, D.S.C. Collecting Meaningful Data on Labor Use and Farm Size for Economic Analysis Associated with Onfarm Trials in SubSaharan African. 1991.
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