1. Universiti Malaysia Perlis (UniMAP), Faculty of Chemical Engineering Technology, Malaysia
2. Universiti Malaysia Perlis, Center of Excellence Geopolymer and Green Technology (CEGeoGTech), Malaysia
3. Universiti Malaysia Perlis (UniMAP), Faculty of Civil Engineering Technology, Malaysia
4. Universiti Malaysia Perlis (UniMAP), Faculty of Mechanical Engineering Technology, Malaysia
5. University of Plymouth, School of Marine Science and Engineering, Plymouth PL4 8AA, United Kingdom