Investigation of opinions and performance regarding physics instructional procedures in Saudi secondary schools 2026-02-15T10:45:34+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Almas, Hassan Mahmoud (University of Northern Colorado,College of Arts and Science, Department of Science Education, 1983)