Barker, Raymond F. Marketing research : Text with cases / Raymond F. Barker. - Reston, Va. : Reston Pub. Co., c1983. - xx, 380 p. : ill. ; 24 cm. ISBN: 9780835942591 Subjects--Topical Terms: Marketing research. Marketing research --Case studies. Marketing Dewey Class. No.: 658.83 / BAR