Requirements engineering : from system goals to UML models to software specifications 2026-02-16T05:32:18+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Lamsweerde, Axel van (John Wiley, 2009)