Robison, D. (1990). Trip report: Rapid rural appraisal in Maranhao Brazil to classify small farmer rice agroecosystems, Jan. 16-Feb. 13, 1990. International Center for Tropical Agriculture.
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Cita Chicago Style (17a ed.)
Robison, DM. Trip Report: Rapid Rural Appraisal in Maranhao Brazil to Classify Small Farmer Rice Agroecosystems, Jan. 16-Feb. 13, 1990. International Center for Tropical Agriculture, 1990.
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Cita MLA (9a ed.)
Robison, DM. Trip Report: Rapid Rural Appraisal in Maranhao Brazil to Classify Small Farmer Rice Agroecosystems, Jan. 16-Feb. 13, 1990. International Center for Tropical Agriculture, 1990.
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