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1by German, L., Ayele, Seife, Tanui, J., Nyangas, S., Taye, H., Admassu, Z., Mazengia, W., Tirwomwe, W., Begashaw, L., Tsegaye, M., Alinyo, F., Mekonnen, A., Aberra, K., Chemangeni, A., Cheptegei, W., Tolera, T., Jotte, Z., Bedane, K.
Published 2008Working Paper bibliotecaCGIAR