Shapiro, B. I., & Sanders, J. (1998). Livestock Policy Analysis Brief no. 9 . Fertiliser use in semi-arid West Africa: Profitability and supporting policy. International Livestock Research Institute.
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Cita Chicago Style (17a ed.)
Shapiro, Barry I., y J.H Sanders. Livestock Policy Analysis Brief No. 9 . Fertiliser Use in Semi-arid West Africa: Profitability and Supporting Policy. International Livestock Research Institute, 1998.
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Cita MLA (9a ed.)
Shapiro, Barry I., y J.H Sanders. Livestock Policy Analysis Brief No. 9 . Fertiliser Use in Semi-arid West Africa: Profitability and Supporting Policy. International Livestock Research Institute, 1998.
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