Food security in Africa : market and trade policy for staple foods in Eastern and southern Africa / Sarris, Alexander Morrison, Jamie Food security Food supply Food security Food supply 338 FAO 2010 A042 Or. The editors and contributors to this volume bring a variety of theoretical, analytical and informed case study approaches to bear on the African food security problem Cheltenham ; Northampton, MA : Edward Elgar Pub., 2010 2010 Text xi, 423 p. :