Wortmann, C. S., & Allen, D. J. (1994). African bean production environments: Their definition, characteristics and constraints. International Center for Tropical Agriculture.
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Cita Chicago Style (17a ed.)
Wortmann, Charles S., y David J. Allen. African Bean Production Environments: Their Definition, Characteristics and Constraints. International Center for Tropical Agriculture, 1994.
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Cita MLA (9a ed.)
Wortmann, Charles S., y David J. Allen. African Bean Production Environments: Their Definition, Characteristics and Constraints. International Center for Tropical Agriculture, 1994.
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