1. School of Computer Science and Engineering, International University, VNU-HCM, Ho Chi Minh City, Vietnam;
2. Faculty of Information Technology, CaoThang Technical College, Ho Chi Minh City, Vietnam;
3. Institute of Research and Development, Duy Tan University, Da Nang, Vietnam;
4. Faculty of Information Technology, Ho Chi Minh City University of Technology (HUTECH), Ho Chi Minh City, Vietnam