Managerial economics 2026-02-15T15:12:37+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - McGuigan, James R.; Moyer, R. Charles, 1945- (West Pub. Co., 1979)