Adoption of maize and wheat technologies in eastern Africa : a synthesis of the findings of 22 c - México : Centro Internacional de Mejoramiento de Maíz y Trigo, 2003 - iv, 32 p. - Economics Working Paper ; 03-06 . Subjects--Topical Terms: AGRICULTURA--ASPECTOS ECONOMICOS--AFRICA ORIENTALAGRICULTURA--INVESTIGACIONMAIZ--CULTIVOTRIGO--CULTIVO Dewey Class. No.: F 338.10967 A239a