1. Department of Postgraduate Studies, Vietnam Academy for Ethnic Minorities, Hanoi, Vietnam
2. Department of Basic, Vietnam Academy for Ethnic Minorities, Hanoi, Vietnam
3. VNU University of Education, Vietnam National University, Hanoi, Vietnam
4. Institute of Theoretical and Applied Research, Duy Tan University, Hanoi, Vietnam
5. Department of Organization and Personnel, Ministry of Public Security, Hanoi, Vietnam
6. Department of Space & Applications, University of Science and Technology of Hanoi, Hanoi, Vietnam