Search Results - Porras, J.A.

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    Guía simplificada para utilizar SAS: unidad de biometría by Mendoza, G., Porras, J.A.

    Published 1978
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    Libro
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    Land in tropical America by Cochrane, Thomas T., Sánchez, L.G., Porras, J.A., Azevedo, L.G. de, Garver, CL

    Published 1985
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    Libro
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    An explanatory manual for CIAT's computerized land resource study of Tropical America by Cochrane, Thomas T., Porras, J.A., Azevedo, L.G. de, Jones, Peter G., Sánchez S., L.F.

    Published 1979
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    Libro

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