Boyd, Harper W. Marketing research: text and cases/ Harper W. Boyd, Ralph Westfall and Stanley F. Stasch - 6th ed. - Illinois: Richard D. Irwin, c1985 - xv, 836 p.: ill., charts 23 cm. Includes index ISBN: Rs. 75.00 Subjects--Topical Terms: Marketing researchMarketing Dewey Class. No.: 658.83