Upton, Martin. Farm management in Africa: the principles of production and planning / Martin Upton - London, Oxford University Press, c1973. - xiv, 341 p. : ill. ; 23 cm. Includes bibliographies and index. eng ISBN: 0192156462 0192156470 TZS 96/= Subjects--Topical Terms: Farm management--Africa. Dewey Class. No.: 658.930967 UPT