1. Department of Space and Applications, University of Science and Technology of Hanoi, Vietnam Academy of Science and Technology, Vietnam
2. Department of Basic, Vietnam Academy for Ethnic Minorities, Vietnam
3. Department of Mathematics, Thai Nguyen University of Education, Vietnam
4. Vietnam Journal of Education, Vietnam; Institute of Theoretical and Applied Research, Duy Tan University, Vietnam
5. Department of Scientific Management and International Relation Affairs, Ly Tu Trong College of Ho Chi Minh City, Vietnam
6. VNU University of Education, Vietnam National University, Hanoi, Vietnam