Marketing research : within a changing information environment 2026-02-16T08:30:00+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Hair, Joseph F.; Bush, Robert P.; Ortinau, David J. (McGraw-Hill Education, 2006)