Echeverría, R. G. (1990). Methods for Diagnosing Research System Constraints and Assessing the Impact of Agricultural Research Volume I: Diagnosing Agricultural Research System Constraints. International Service for National Agricultural Research.
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Cita Chicago Style (17a ed.)
Echeverría, Ruben G. Methods for Diagnosing Research System Constraints and Assessing the Impact of Agricultural Research Volume I: Diagnosing Agricultural Research System Constraints. International Service for National Agricultural Research, 1990.
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Cita MLA (9a ed.)
Echeverría, Ruben G. Methods for Diagnosing Research System Constraints and Assessing the Impact of Agricultural Research Volume I: Diagnosing Agricultural Research System Constraints. International Service for National Agricultural Research, 1990.
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