1. Department of Chemical Engineering
2. Le Quy Don Technical University
3. Hanoi 100000
4. Vietnam
5. School of Materials Science
6. Japan Advanced Institute of Science and Technology
7. Nomi
8. Japan
9. School of Materials Sciences and Engineering
10. Kyungpook National University
11. Daegu 41566
12. Republic of Korea
13. Institute of Research and Development
14. Duy Tan University
15. Danang 550000