Second language acquisition and linguistic variation 2026-02-15T22:39:29+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Bayley, Robert, 1943-; Preston, Dennis Richard (Studies in bilingualism ;, 1996)