This author has not been identified. Look up 'Umer Saeed' in GoogleThis author has not been identified. Look up 'Syed Yaseen Shah' in GoogleThis author has not been identified. Look up 'Syed Aziz Shah' in GoogleThis author has not been identified. Look up 'Haipeng Liu' in GoogleThis author has not been identified. Look up 'Abdullah Alhumaidi Alotaibi' in GoogleThis author has not been identified. Look up 'Turke Althobaiti' in GoogleThis author has not been identified. Look up 'Naeem Ramzan' in GoogleThis author has not been identified. Look up 'Sana Ullah Jan' in GoogleThis author has not been identified. Look up 'Jawad Ahmad 0001' in GoogleThis author has not been identified. Look up 'Qammer H. Abbasi' in Google