Beri, G. C. Marketing research / G. C. Beri. - 4th ed. - New Delhi : McGraw-Hill, 2008. - 579 p. ; 26 cm. ISBN: 0070620223 0070620229 Subjects--Topical Terms: Marketing research. LC Class. No.: 658.83 / BER Dewey Class. No.: 658.83 / BER [ Shelf 70 ]