Weldemariam B, Melaku S and Tamir B 2014:  
Supplementation of Ziziphus spina-christi, Sterculia africana and Terminalia brownii to Abergelle kids fed hay: effects on feed intake, digestibility and post-weaning growth. 
 Livestock Research for Rural Development. Volume 26, Article #157. 
 Retrieved 
, from http://www.lrrd.org/lrrd26/9/weld26157.html