Dinh-Chien Nguyen, Minh Chuan Pham, Thi Phuong Tran, and Khanh Trinh Nguyen. “AN ALGORITHM FOR REVERSIBLE DATA HIDING IN H.264/AVC”. UTEHY Journal of Science and Technology, Vol. 25, Apr. 2020, pp. 80-86, http://tapchi.utehy.edu.vn/index.php/jst/article/view/361.