Theory and practice of education : an introduction 2026-02-16T11:25:13+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Downey, Meriel Elaine; Kelly, A. V. (Albert Victor) (Harper and Row, 1975)