1. Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur, Malaysia
2. Centre of Advanced Materials, Faculty of Engineering, Universiti Malaya, Kuala Lumpur, Malaysia
3. Centre of Advanced Manufacturing and Material Processing, Universiti Malaya, Kuala Lumpur, Malaysia
4. Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, University of Airlangga, Surabaya, Indonesia