Effects of work on reproductive and productive performance of crossbred dairy cows in the Ethiopian highlands
K. Agyemang, Abiye Astatke, F. M. Anderson, Woldeab W/MariamVolume:
23
Year:
1991
Language:
english
Pages:
9
DOI:
10.1007/bf02357108
File:
PDF, 566 KB
english, 1991