Dao Van Ba, and Dr Phuong Nguyen Viet. “Smooth Robust Adaptive Sliding Mode Control of 2-DOF Helicopter System”. Journal of Military Science and Technology 107, no. 107 (November 28, 2025): 24–31. Accessed November 30, 2025. https://online.jmst.info/index.php/jmst/article/view/1811.