Filtering by: Contributor Umm Al-Qura University Remove constraint Contributor: Umm Al-Qura University Creator Almahdi, Mohammad Abdullah Remove constraint Creator: Almahdi, Mohammad Abdullah Date 2022 Remove constraint Date: 2022 Resource type http://purl.org/coar/resource_type/c_db06 Remove constraint Resource type: http://purl.org/coar/resource_type/c_db06