Essentials of business information systems 2026-02-15T09:26:09+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Laudon, Kenneth C., 1944; Laudon, Jane Price (Pearson Prentice Hall, 2007)