Statistical techniques in business and economics 2026-02-16T18:39:19+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Mason, Robert Deward, 1919 (Irwin series in quantitative analysis for business, 1978)