Statistical techniques in business & economics 2026-02-17T00:57:12+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Lind, Douglas A.; Marchal, William G; Wathen, Samuel Adam (McGraw-Hill/Irwin series. Operations and decision sciences, 2005)