Authors
Nguyen Thi Thanh Thuy
Department of Computer Science, Posts and Telecommunications Institute of Technology, Hanoi, Vietnam
Nguyen Ngoc Diep
Department of Computer Science, Posts and Telecommunications Institute of Technology, Hanoi, Vietnam
Ngo Xuan Bach
Department of Computer Science, Posts and Telecommunications Institute of Technology, Hanoi, Vietnam
Tu Minh Phuong
Department of Computer Science, Posts and Telecommunications Institute of Technology, Hanoi, Vietnam
