Letchford, Stanley. The economic system : an introduction for business students / by S. Letchford. - Reading : Donnington Press ; London : distributed by Cassell and Collier Macmillan, 1975. - xv, 362 p. : ill. ; 23 cm. ISBN: 030429621X Subjects--Topical Terms: Economics Dewey Class. No.: 330.024658 LET