Marketing research and information systems; text and cases by Robert D. Buzzell and Donald F. Cox with the assistance of Rex V. Brown. Buzzell, Robert D. (Robert Dow), 1933- Cox, Donald F., joint author. Brown, Rex V., joint author. Harvard University. Graduate School of Business Administration. Marketing Management. Marketing research. Management information systems. 658.8072 BUM Case material from the Harvard Graduate School of Business Administration. Includes bibliographical references. New York : McGraw-Hill, 1969 1969 1969 Text xii, 788 p. : eng