1. Faculty of Technology Management and Business, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor, Malaysia
2. Faculty of Mechanical, Universiti Tun Hussein Onn Malaysia, 86400 Parit Raja, Batu Pahat, Johor, Malaysia
3. Faculty of Account, Universiti Teknologi Mara, Segamat, Johor, Malaysia
4. Aviation Management Department, Universiti Kuala Lumpur, Kuala Lumpur, Malaysia