1. Agyemang, K. and Nkhonjera, L. P. 1990. Productivity of crossbred cattle on smallholder farms in Southern Malawi, Tropical Animal Health and Production, 22, 9--16
2. Bebe, B. O. 2008a. Assessing potential for producing dairy replacements under increasing intensification of smallholder dairy systems in the Kenya highlands, Livestock Research for Rural Development, 20, 24 Retrieved June 6, 2011, from http://www.lrrd.org/lrrd20/2/bebe20024.htm
3. Bebe, B. O. 2008b. Dairy heifer rearing under increasing intensification of smallholder dairy systems in the Kenya highlands, Livestock Research for Rural Development, 20, 22 Retrieved June 6, 2011, from http://www.lrrd.org/lrrd20/2/bebea20022.htm
4. Bebe, B. O., Udo, H. M. J., Rowlands, G. J., and Thorpe, W. 2003. Smallholder dairy systems in the Kenya highlands: Cattle population dynamics under increasing intensification, Livestock Production Science, 82, 211--221
5. Bee, J. K. A., Msanga, Y. N., and Kavana, P. Y., 2006. Lactation yield of crossbred dairy cattle under farmer management in Eastern coast of Tanzania, Livestock Research for Rural Development, 18, 23 Retrieved June 6, 2011, from http://www.lrrd.org/lrrd18/2/bee18023.htm