This author has not been identified. Look up 'Wijayanti Nurul Khotimah' in GoogleThis author has not been identified. Look up 'Farid Boussaïd' in GoogleThis author has not been identified. Look up 'Ferdous Sohel' in GoogleThis author has not been identified. Look up 'Lian Xu' in GoogleThis author has not been identified. Look up 'David Edwards' in GoogleThis author has not been identified. Look up 'Xiu Jin' in GoogleThis author has not been identified. Look up 'Mohammed Bennamoun' in Google