00349nam a2200097Ia 4500082002200000100011400022245006800136260003300204300000900237500000500246  a338.1096bUn58.FE  aUnited Nations. Economic Commission for Africa, Working party on economic and social development, Addis Ababa  aFormulation and evaluation of agricultural projects in Africab  aAddis AbababThe Auth.c1962  a16p.  a