1. Advanced Engineering Centre, University of Brighton, BN2 4GJ, Brighton, United Kingdom
2. Centre of Excellence Geopolymer and Green Technology (CEGeoGTech), Universiti Malaysia Perlis (UniMAP), 01000 Kangar, Perlis, Malaysia
3. Gheorghe Asachi Technical University of Iasi, Faculty of Materials Science and Engineering, Iasi, Romania
4. Częstochowa University of Technology, al. Armii Krajowej 19, 42-200 Częstochowa