Heading devices in linguistics thesis abstracts 2026-02-15T16:11:01+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Al-Aqil, Hossam Ibrahim (Al-Imam Mohammed Bin Saud Islamic University,College Languages and Translation, Department of English Language and Literature, 2015)