Do, Trong Hieu, Duy Vinh Nguyen, and Tung Lam Nguyen. “Active Disturbance Rejection Based Approach for Velocity Control of a Three-Mass System”. Old Journal, no. 136B (June 15, 2019): 6–11. Accessed August 2, 2025. https://jst.vn/index.php/old/article/view/621.