This author has not been identified. Look up 'Abdullah Wahbeh' in GoogleThis author has not been identified. Look up 'Mohammed Al-Kabi' in GoogleThis author has not been identified. Look up 'Qasem A. Al-Radaideh' in GoogleThis author has not been identified. Look up 'Emad M. Al-Shawakfa' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Izzat Alsmadi' in Google