Quantifying greenhouse gas emissions attributable to smallholder livestock systems in western Kenya: Cradle to farm gate life cycle assessment - Ndung’u, Phyllis W.; Takahashi, T.; Toit, C.J.L. du; Robertson-Dean, M.; Butterbach-Bahl, Klaus; McAuliffe, G.; Merbold, Lutz; Goopy, John P. (International Livestock Research Institute, 2020)