The power of mathematics : applications to management and the social sciences 2026-02-16T08:30:09+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Whipkey, Kenneth L.; Conway, George W; Whipkey, Mary Nell (Wiley, 1978)