Handbook of psychotherapy and behavior change : an empirical analysis 2026-02-15T22:11:59+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Bergin, Allen E., 1934; Garfield, Sol L. (Sol Louis), 1918 (Wiley, 1978)