Bunyatta, DK, SW Muriithi, and JE Khaemba. 2005. “The Development and Implementation of the Catchment Approach for Soil and Water Conservation in Some Districts of the Upper Rift Valley Region, Kenya”. East African Agricultural and Forestry Journal 69 (1):9-18. https://doi.org/10.4314/eaafj.v69i1.1801.