Njarui D M G, Gatheru M, Wambua J M, Nguluu S N, Mwangi D M and Keya G A 2011:
Feeding management for dairy cattle in smallholder farming systems of semi-arid tropical Kenya.
Livestock Research for Rural Development. Volume 23, Article #111.
Retrieved
, from http://www.lrrd.org/lrrd23/5/njar23111.htm