Jack Welch and the 4E's of leadership : how to put GE's leadership formula to work in your organization 2026-02-15T19:29:23+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Krames, Jeffrey A. (McGraw-Hill, 2005)