Privacy and practicality of identity management systems : academic overview 2026-02-15T04:12:30+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Al-rodhan, Waleed (VDM Verlag Dr. Muller, 2011)