Alarcon, P, Fèvre, E M, Murungi, M K, Muinde, P, Akoko, J, Dominguez-Salas, P, Kiambi, S, Ahmed, S, Häsler, B, Rushton, J, "Mapping of beef, sheep and goat food systems in Nairobi — A framework for policy making and the identification of structural vulnerabilities and deficiencies", Agricultural Systems, 2017