Design patterns : elements of reusable object-oriented software 2026-02-16T00:15:08+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Gamma، Erich (Addison-Wesley professional computing series, 2014)