Pham, Dinh Hieu, and Manh Linh Nguyen. “Fast-Convergent Stabilization and Trajectory Tracking of a Two-Wheel Self-Balancing Robot on Sloped Terrain”. Smart Systems and Devices, vol. 36, no. 190, Jan. 2026, pp. 074-81, doi:10.51316/jst.190.ssad.2026.36.190.9.