Nguyen Van Vinh, and Nguyen Thi Phuong Hoa. 2020. “THE ALGORITHM STUDY SHARED TRANSITIONAL UNDERLAY SPECTRUM OF COGNITIVE RADIO NETWORK”. UTEHY Journal of Applied Science and Technology 24 (January), 29-35. http://jst.utehy.edu.vn/index.php/jst/article/view/320.