1. Center for Forecasting Study Institute of Southeast Vietnamese Studies Thu Dau Mot University Binh Duong Province Vietnam
2. Faculty of Physics TNU‐University of Education Thai Nguyen 250000 Vietnam
3. Centro de Nanociencias y Nanotecnología Universidad Nacional Autónoma de México Apartado Postal 14, Ensenada Baja California 22800 Mexico
4. Institute of Theoretical and Applied Research Duy Tan University Hanoi 100000 Vietnam
5. Faculty of Natural Sciences Duy Tan University Da Nang 550000 Vietnam