1. Faculty of Chemical Engineering Technology Universiti Malaysia Perlis (UniMAP) Arau Perlis Malaysia
2. Department of Petrochemical Engineering, Faculty of Engineering and Green Technology Universiti Tunku Abdul Rahman Kampar Perak Malaysia
3. Geopolymer and Green Technology, Centre of Excellence (CEGeoGTech) Universiti Malaysia Perlis (UniMAP) Arau Perlis Malaysia
4. School of Engineering and Physical Sciences Heriot‐Watt University Malaysia Putrajaya Malaysia