This author has not been identified. Look up 'Asad Masood Khattak' in GoogleThis author has not been identified. Look up 'Wajahat Ali Khan' in GoogleThis author has not been identified. Look up 'Zeeshan Pervez' in GoogleThis author has not been identified. Look up 'Farkhund Iqbal' in GoogleThis author has not been identified. Look up 'Sungyoung Lee' in Google