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Mussaa, E C and Obare, G A and Bogale, A and Simtowe, F (2011) Resource use efficiency of smallholder crop production in the central highlands of Ethiopia. In: Increasing Agricultural Productivity & Enhancing Food Security in Africa: New Challenges and Opportunities, 1-3 November 2011, UNECA, Addis Ababa.
Mussaa, E C and Obare, G A and Bogale, A and Simtowe, F (2011) Resource use efficiency of smallholder crop production in the central highlands of Ethiopia. In: Increasing Agricultural Productivity & Enhancing Food Security in Africa: New Challenges and Opportunities, 1-3 November 2011, UNECA, Addis Ababa.