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1par Ertiro, B.T., Zeleke, H., Friesen, Dennis K., Blümmel, Michael, Twumasi-Afriyie, S.
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2par Badu-Apraku, Baffour, Twumasi-Afriyie, S., Sallah, P., Asiedu, E., Haag, W., Marfo, K., Ohemeng-Dapaah, S., Dzah, B.
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3par Ertiro, B.T., Twumasi-Afriyie, S., Blümmel, Michael, Friesen, Dennis K., Negera, D., Worku, M., Abakemal, D., Kitenge, K.
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4Enhancing the contribution of maize to food security in Ethiopia Enhancing the contribution of maize to food security in Ethiopiapar Nigussie, M. (ed.), International Maize and Wheat Improvement Center, Mexico City (Mexico) eng, National Maize Workshop of Ethiopia eng 12-16 Nov 2001 2 Addis Ababa (Ethiopia), Tanner, D. (ed.), Twumasi-Afriyie, S. (ed.), Ethiopian Agricultural Research Organization, Addis Ababa (Ethiopia) eng
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