Filtering by: Funder Ministry of Education – Kingdom of Saudi Arabi Remove constraint Funder: Ministry of Education – Kingdom of Saudi Arabi Funder Umm Al-Qura University Remove constraint Funder: Umm Al-Qura University Type Thesis Remove constraint Type: Thesis Resource type http://purl.org/coar/resource_type/c_db06 Remove constraint Resource type: http://purl.org/coar/resource_type/c_db06