The Role of Natural and Human Factors in The Degradation of The Environment in Central, Eastern, and Northern Saudi Arabia 2026-02-15T20:46:45+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Alwelaie, Abdullah Nasser Ali (University of California, Department of Geography, 1985)