Search Results - Ay, P.

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    Seasonality of cassava processing in Africa and tests of hypotheses: COSCA working paper, No. 6 by Ugwu, B., Ay, P.

    Published 1992
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    Artículo preliminar
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    Production costs in the yambased cropping systems of southeastern Nigeria: RCMP research monograph, No. 6 by Nweke, F., Ugwu, B., Asadu, C., Ay, P.

    Published 1991
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    Libro
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    A cocoabased cropping system on basaltic soils (typic tropohumult) in southeastern Nigeria by Eshett, E.T., Ay, P., Omueti, J.A.I., Juo, A.S.R.

    Published 1991
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    Journal Article

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