1. Universiti Malaysia Perlis,Faculty of Mechanical Engineering Technology,Arau,Perlis,Malaysia,02600
2. Motosikal dan Enjin Nasional Sdn. Bhd (MODENAS),Research and Development Division,Gurun,Kedah,Malaysia,08300
3. Universiti Teknologi Brunei,Department of Mechanical Engineering,Gadong,Brunei Darussalam,BE1410