Bittel, Lester R. Business model and activity file for business in action : Sweet Co / Lester R.Bittel...[et.al.] - 2a ed. - New York McGraw-Hill 1984 - 184 p. cuad., il. ISBN: 00700551165 Subjects--Topical Terms: Business Model. Dewey Class. No.: 658.87 / B56