Business administration; the scientific principles of a new profession. 2026-02-16T13:47:30+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Jones, Edward David, 1870-1944 (Works management library, 1913)