Resultados de búsqueda - Jansen, G.P.

Consumption of dairy products in northern Nigeria por Jansen, G.P.

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Ex-ante profitability of animal traction investments in semi-arid sub-Saharan Africa: Evidence from Niger and Nigeria por Jansen, G.P.

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Dairy consumption in northern Nigeria: Implications for development policies por Jansen, G.P.

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The introduction of animal traction into inland valley regions. 1. Manual labour and animal traction in the cultivation of rice and maize: A comparison por Lawrence, P.R., Dijkman, J.T., Jansen, G.P.

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