//-->
Total factor productivity and resource use efficiency of alternative cropping systems in two agro-climatic zones in eastern Ethiopia
Alene, Arega D., (2003)
Efficiency of food production under old and new technology: the case of farmers within and outside the extension package program in Ethiopia
Alene, Arega D., (2008)
The technical and cost efficiencies of hybrid maize production in western Ethiopia
Alene, Arega D., (2005)