The supervisor as an instructor : a guide for classroom training 2026-02-17T05:12:20+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Broadwell, Martin M (Addison-Wesley Pub. Co., 1978)