Doan Van Dien, and Pei-Hwa HUANG. “TIME-FREQUENCY ANALYSE FOR INTER-AREA OSCILLATIONS OF LONGITUDINAL POWER SYSTEM”. Journal of Applied Science and Technology 28 (January 6, 2021): 84-90. Accessed April 7, 2025. http://jst.utehy.edu.vn/index.php/jst/article/view/414.