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Assessment of the adoption and impact of improved pigeonpea varieties in Tanzania por Shiferaw Bekele, Silim, Said, Muricho, Geoffrey, Audi, Patrick, Mligo, Joseph, Lyimo, Stephen, You, Liangzhi, Christiansen, Jørgen L.

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Soil erosion and smallholders' conservation decisions in the highlands of Ethiopia por Shiferaw Bekele, Holden, Stein

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Assessment of the adoption and impact of improved pigeonpea varieties in Tanzania por Shiferaw Bekele, Silim, Said, Muricho, Geoffrey, Audi, Patrick, Mligo, Joseph, Lyimo, Stephen, You, Liangzhi, Christiansen, Jørgen L.

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Food security in the drylands of South Asia and Sub-Saharan Africa: Research challenges and opportunities por Nkonya, Ephraim M., Shiferaw Bekele, Msangi, Siwa

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