Ehui, S. K., & Spencer, D. (1993). Measuring the sustainability and economic viability of tropical farming systems: A model from subSaharan Africa. Wiley.
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Cita Chicago Style (17a ed.)
Ehui, Simeon K., y D. Spencer. Measuring the Sustainability and Economic Viability of Tropical Farming Systems: A Model from SubSaharan Africa. Wiley, 1993.
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Cita MLA (9a ed.)
Ehui, Simeon K., y D. Spencer. Measuring the Sustainability and Economic Viability of Tropical Farming Systems: A Model from SubSaharan Africa. Wiley, 1993.
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