A. Asefa

Crossbreeding challenges and its effect on dairy cattle performances in Amhara region, Ethiopia.

M. Birhan, A. Alebie, B. Bogale, 2016 .

Incidence of potato viruses and bacterial wilt disease in the west Amhara sub-region of Ethiopia.

M. Dickinson, B. Bekele, E. Abate, 2011 .