COLBERG, Marshall R. Forbush, Dascomb R. Whitaker, Gilbert R. Business economics: principles and cases /[by] Marshall R.Colberg, Dascomb R.Forbush, Gilbert R.Whita - 6th ed. - Illinois Richard D.Irwin, Inc. 1981 - xi, 497 p. ISBN: 256021554 Subjects--Topical Terms: Microeconomics Dewey Class. No.: 338.54 / COL