Essentials of business information systems 2026-02-16T14:17:09+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Laudon, Kenneth C.; Laudon, Jane P. (Pearson Prentice Hall, 2007)