1. Polytechnic of Tuanku Syed Sirajuddin,Department of Mathematics, Science & Computer,Perlis,Malaysia
2. Polytechnic of Tuanku Sultanah Bahiyah,Department of Electrical Engineering,Kedah,Malaysia
3. National Defence University of Malaysia,Faculty of Engineering,Kuala Lumpur,Malaysia
4. National Defence University of Malaysia,Faculty of Medicine & Defense Health,Kuala Lumpur,Malaysia