Barnett, Tony. Sudan : the Gezira scheme and agricultural transition / Tony Barnett and Abbas Abdelkarim. - London, England : f. Cass, 1991. - vi, 137 p. : ill., maps ; 24 cm. Includes bibliographical references(p. 130-133) and index. ISBN: 0714633283 Subjects--Topical Terms: Agriculture--Economic aspects--Sudan--Gezira.Irrigation--Economic aspects--sudan--Gezira.Cotton trade--Sudan--Gezira. LC Class. No.: HD2123.5.Z9 / G49 1991