1. Faculty of Applied Sciences Ho Chi Minh City University of Technology and Education Ho Chi Minh City Vietnam
2. Faculty of Mathematical Economics Banking University of Ho Chi Minh City Ho Chi Minh City Vietnam
3. Division of Computational Mathematics and Engineering, Institute for Computational Science Ton Duc Thang University Ho Chi Minh City Vietnam
4. Faculty of Mathematics and Statistics Ton Duc Thang University Ho Chi Minh City Vietnam