An introduction to theories of learning 2026-02-15T23:21:23+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Hergenhahn, B. R., 1934- (Prentice-Hall, 1982)