Business research methods 2026-02-15T21:21:54+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Blumberg, Boris; Cooper, Donald R.; Schindler, Pamela S. (McGraw-Hill Higher Education, 2008)