This author has not been identified. Look up 'Waheed Aftab Khan' in GoogleThis author has not been identified. Look up 'Shahzaib Hamid' in GoogleThis author has not been identified. Look up 'Muhammad Rehan Usman' in GoogleThis author has not been identified. Look up 'Ali Raza' in GoogleThis author has not been identified. Look up 'Muhammad Arslan Usman' in GoogleThis author has not been identified. Look up 'Christos Politis' in GoogleThis author has not been identified. Look up 'Gandeva Bayu Satrya' in Google