Van Liem, Nguyen, Tran Quoc Tuan, Nguyen Boi Khue, and Nguyen Chu Hung. “STABILITY STUDIES AND IMPROVEMENT IN VIETNAM POWER SYSTEM”. Science and Technology Development Journal 5, no. 11 (November 30, 2002): 38-47. Accessed July 22, 2024. https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3456.