Upton, Martin, Farm management in Africa : the principles of production and planning / Martin Upton. - London : Oxford University Press, c1973. - xiv, 341 p. : illus.; 23 cm. Includes bibliographies and index. ISBN: 0192156462 Subjects--Topical Terms: Farm management--Africa. LC Class. No.: S562 / .A34U67 1973 Dewey Class. No.: 658.930967 / U71f