Nguyen Thi Nhung, Bui Thi Kim Thoa, Tran Long Quang Anh, and Nguyen Phu Dat. “TRAFFIC SIGN DETECTION AND RECOGNITION WITH DEEP CONVOLUTIONAL NEURAL NETWORKS”. UTEHY Journal of Science and Technology, Vol. 32, June 2022, pp. 39-45, http://jst.utehy.edu.vn/index.php/jst/article/view/497.