Hardaker, J. B. Farm management and agricultural economics : an introduction / J. B. Hardaker, J. N. Lewis [and] G. C. McFarlane. - [Sydney] : Angus and Robertson, [1970] - 201 p. : diagrs., tables. ISBN: 0207953910 LCCN: 93044270 Subjects--Topical Terms: Farm management.Agriculture--Economic aspects.