1. Department of Engineering, University of Wollongong M KDU, Georgetown, Malaysia
2. School of Mechanical Engineering, Universiti Sains Malaysia, Nibong Tebal, Malaysia
3. School of Civil Engineering, College of Engineering, Universiti Teknologi Mara, Permatang Pauh, Malaysia
4. School of Mechatronic Engineering, Universiti Malaysia Perlis, Arau, Malaysia