Kumar, V., 1957- Marketing research / V. Kumar, Robrt P. Leone , David A. Aaker , George S. Day - Thirteenth Edition. - xxiii; 731 p. : ill; 25 cm . ISBN: LCCN: 2018031708 Subjects--Topical Terms: Marketing research. LC Class. No.: HF5415.2 / K863 2018 Dewey Class. No.: 658.8/3