Hoang Bao Huy, Truong, and Vo Ngoc Dieu. “A Search Group Algorithm for Optimal Power Flow in Power Systems”. Science and Technology Development Journal 20, no. K9 (April 15, 2019): 15-22. Accessed November 23, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1672.