An analysis of variables related to biology achievement at the 12th grade level in the Southwestern region of Saudi Arabia 2026-02-16T02:33:50+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Al-Shahrani, Amer A. S., 1958- (Ohio State University, 1989)