Introduction to information systems 2026-02-15T19:45:55+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Marakas, George M.; O'Brien, James A., 1936- (McGraw-Hill Education, 2014)