Barnard, Christopher Stephen. Farm planning and control / C. S. Barnard, J. S. Nix. - 2nd ed. - Cambridge ; New York : Cambridge University Press, 1979. - ix, 600 p. : graphs ; 24 cm. Includes index. Bibliography: p. 577-581. ISBN: 0521226589 : TZS 3950 Subjects--Topical Terms: Farm management.Farm management--Great Britain. Dewey Class. No.: 658.93 BAR