1. Faculty of Engineering, Universiti Malaysia Sabah, Kota Kinabalu, Malaysia
2. Energy, Vibration and Sound Research Group (e-VIBS), Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Kota Kinabalu, Malaysia
3. Civil Engineering, School of Environment, Science and Engineering, Southern Cross University, Lismore, Australia
4. Surface Analysis and Materials Engineering Research Group, School of Engineering and Information Technology, Murdoch University, Murdoch, Australia