Foundations of behavioral research 2026-02-15T19:46:04+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Kerlinger, Fred N. (Fred Nichols), 1910 (Holt, Rinehart and Winston, 1973)