Dairy systems characterisation of the greater Nairobi milk shed - Staal, Steven J.; Owango, M.O.; Muriuki, H.; Kenyanjui, M.; Lukuyu, Ben A.; Njoroge, L.; Njubi, D.; Baltenweck, Isabelle; Musembi, F.; Bwana, O.; Muriuki, K.; Gichungu, G.; et al. (International Livestock Research Institute, 2001)