Theory and problems of social psychology 2026-02-16T12:01:01+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Krech, David; Crutchfield, Richard S (McGraw-Hill publications in psychology, 1948)