Bibliographical guide to doctoral dissertations : available in the Central Library, King Abdulaziz University, Mecca Mukarramah 2026-02-16T02:45:40+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... (The Library, 1980)