1. Department of Biomedical Engineering, Al-Mustaqbal University College, Hillah, Iraq
2. Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia (UTHM), Batu Pahat, Malaysia
3. Air Conditioning and Refrigeration Techniques Engineering Department, Al-Mustaqbal University College, Hillah, Iraq
4. Business Administration Department, Al-Mustaqbal University College, Hillah, Iraq
5. Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia, Muar, Malaysia