1. Faculty of Chemistry, Hanoi National University of Education, Cau Giay, Hanoi
2. Nguyen Trai High School, Ba Dinh, Hanoi, Vietnam
3. Bien Hoa Gifted High School, Phu Ly City, Ha Nam Province, Vietnam
4. Faculty of Training Bachelor of Practice, Thanh Do University, Kim Chung, Hoai Duc, Hanoi Vietnam
5. Institute for Tropical Technology, Vietnam Academy of Science and Technology, Cau Giay, Hanoi, Vietnam
6. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Cau Giay, Hanoi, Vietnam
7. Publishing House for Science and Technology, Vietnam Academy of Science and Technology, Cau Giay, Hanoi, Vietnam
8. Institute of Physics, University of Zielona Góra, Zielona Góra, Poland
9. Technical University of Cluj-Napoca, The Directorate of Research, Development and Innovation Management (DMCDI), Cluj county, Romania
10. Faculty of Physics, Hanoi National University of Education, Cau Giay, Hanoi, Vietnam