This author has not been identified. Look up 'Saeed Alshahrani' in GoogleThis author has not been identified. Look up 'Waleed Al Shehri' in GoogleThis author has not been identified. Look up 'Jameel Almalki' in GoogleThis author has not been identified. Look up 'Ahmed M. Alghamdi' in GoogleThis author has not been identified. Look up 'Abdullah M. Alammari' in Google