An introduction to survey research and data analysis 2026-02-16T21:19:49+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Weisberg, Herbert F.; Bowen, Bruce D (W. H. Freeman, 1977)