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Sperling, L. ,  Osborn, Thomas C. ,  Cooper, D. ,  [Workshop on Effective and Sustainable Seed Relief Activities (2003, Rome). Towards effective and sustainable seed relief activities : Report] ,  Workshop on Effective and Sustainable Seed Relief Activities (2003, Rome). Towards effective and sustainable seed relief activities : Report

Sperling, L. ,  Scheidegger, Urs C. ,  Buruchara, Robin A. ,  [Designing seed systems for smallholder farmers: principles derived from bean research in the Great Lakes region of Africa] ,  Designing seed systems for smallholder farmers: principles derived from bean research in the Great Lakes region of Africa

Otsyina, R.M. ,  Rachier, Gideon O. ,  Ambitsi, N. ,  Juma, R ,  Ndiya, C ,  Buruchara, Robin A. ,  Sperling, L. ,  [The use of informal seed producer groups for diffusing root-rot resistant varieties during periods of acute stress] ,  The use of informal seed producer groups for diffusing root-rot resistant varieties during periods of acute stress