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Wortmann, Charles S. ,  Ransom, JK ,  [Soil fertility research for maize and bean production systems of the Eastern Africa highlands : Proceedings of a workshop group meeting, Thika, Kenya, 1-4 September, 1992] ,  Soil fertility research for maize and bean production systems of the Eastern Africa highlands : Proceedings of a workshop group meeting, Thika, Kenya, 1-4 September, 1992

David, S. ,  [Developing farmer seed enterprises in Africa: case studies from Uganda] ,  Developing farmer seed enterprises in Africa: case studies from Uganda

Minja, EM ,  Ampofo, James Kwasi O. ,  Mowo, J. ,  Mziray, HA ,  [Integrated pest management training workshop report : Training of bean farmers and village extension officers, Lushoto District Tanga Region, North Eastern Tanzania] ,  Integrated pest management training workshop report : Training of bean farmers and village extension officers, Lushoto District Tanga Region, North Eastern Tanzania

Minja, EM ,  Kasambala, SP ,  Mziray, HA ,  [Field day for bean IPDM farmer groups at Shari village in Hai district, Tanzania] ,  Field day for bean IPDM farmer groups at Shari village in Hai district, Tanzania

Minja, EM ,  Ampofo, James Kwasi O. ,  Mziray, HA ,  Ulicky, E ,  [Bean farmer field days report : Field days for bean farmer groups in Hai District, Northern Tanzania] ,  Bean farmer field days report : Field days for bean farmer groups in Hai District, Northern Tanzania

Minja, EM ,  Opio, F. ,  Ugen, Michael Adrogu ,  Mziray, HA ,  [Visit by NARO and CIAT scientists to Bushenyi and Kabale bean IPDM sites in Western and South Western Uganda] ,  Visit by NARO and CIAT scientists to Bushenyi and Kabale bean IPDM sites in Western and South Western Uganda

Minja, EM ,  Ampofo, James Kwasi O. ,  Mziray, HA ,  [Rwanda scientists´ visit to bean IPM farmer communities in Hai District, Kilimanjaro region, Northern Tanzania] ,  Rwanda scientists´ visit to bean IPM farmer communities in Hai District, Kilimanjaro region, Northern Tanzania