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Rohrbach, D D and Saadan, H M and Monyo, E S and Kiriwaggulu, J A B and Mtenga, K and Mwaisela, F (2002) Comparative study of three community seed supply strategies in Tanzania. Project Report. International Crops Research Institute for the Semi-Arid Tropics , Bulawayo, Zimbabawe.
Rohrbach, D D and Saadan, H M and Monyo, E S and Kiriwaggulu, J A B and Mtenga, K and Mwaisela, F (2002) Comparative study of three community seed supply strategies in Tanzania. Project Report. International Crops Research Institute for the Semi-Arid Tropics , Bulawayo, Zimbabawe.