1. Faculty of Information Technology, Ton Duc Thang University, Ho Chi Minh City, Vietnam
2. Department of Math and Mech, University Skii 28, St Petersburg 198504, Russia
3. Department of Geography, Karnataka University, India
4. Department of Interior Applied Arts, 6 October University
5. Department of Computer Science and Engineering BRAC University 66 Mohakhali Dhaka 1212, Bangladesh