Aaker, David A. Marketing research / David A. Aaker, V. Kumar, George S. Day - 6th ed. - N.Y. : Wiley, c1998 - 776 p. ISBN: 0471170690 (cloth : alk. paper) Subjects--Topical Terms: MarketingNghiên cứu thị trườngTiếp thịBusiness Administration Dewey Class. No.: 658.8 / AAK 1998