1. New Technologies – Research Centre
2. University of West Bohemia
3. 306 14 Pilsen
4. Czech Republic
5. Center of Excellence Geopolymer and Green Technology
6. Lviv National University of Veterinary Medicine and Biotechnologies
7. 79010 Lviv
8. Ukraine
9. School of Material Engineering
10. University Malaysia Perlis
11. 01007 Kangar
12. Malaysia
13. Faculty of Electrical Engineering
14. Czestochowa University Technology
15. Czestochowa
16. Poland
17. Department of Physics and Astronomy
18. College of Science
19. King Saud University
20. Riyadh 11451
21. Saudi Arabia
22. Council of Scientific and Industrial Research – National Physical Laboratory
23. New Delhi 110012
24. India
25. Department of Physics
26. Indian Institute of Technology
27. University of Veterinary and Biotechnology
28. Lviv
29. Department of Instrumentation and Control Engineering
30. Faculty of Mechanical Engineering
31. CTU in Prague
32. 166 07 Prague 6