Tull, Donald S. Marketing research : measurement and method : a text with cases / Donald S. Tull, Del I. Hawkins. - 2d ed. - New York : Macmillan, c1980. - xvii, 796 p. : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 0024217603 0029796407 (International ed.) LCCN: 79011163 Subjects--Topical Terms: Marketing research.Marketing research--Case studies. LC Class. No.: HF 5415.2 / T83 1980 Dewey Class. No.: 658.8/35