1. Faculty of Transport & Logistics, Muscat University, Muscat, Sultanate of Oman
2. School of Management and Economics, University of Electronic Science and Technology of China, Chengdu, People’s Republic of China
3. Department of Operations Management and Business Statistics, College of Economics and Political Sciences, Sultan Qaboos University, Muscat, Sultanate of Oman
4. School of Pharmacy, University of Nottingham Malaysia, Semenyih, Malaysia
5. Department of Sciences, Basic Education College, Mosul University, Mosul, Iraq