1. Trung Thanh Le, National Economics University, Vietnam
2. Hoang Long Tran, University of Economics – technology for Industries, Vietnam; thlong@uneti.edu.vn
3. Duc Hoa Nguyen, National Economics University, Vietnam
4. Quang Dung Le, National Economics University, Vietnam
5. Van Hau Nguyen, National Economics University, Vietnam
6. Huong Lan Do, National Economics University, Vietnam