Abera, Z., B. Mengiste, and T. Demise. “Reproductive and Lactation Performance of Crossbreed Dairy Cows in Bishoftu, Ada’a Distict of East Shoa, Eastern Ethiopia”. Journal of Science, Technology and Arts Research, vol. 4, no. 4, Dec. 2015, pp. 113-9, doi:10.4314/star.v4i4.16.