Nguyen, Hoang Viet, and Hong Thai Nguyen. “Geometric Design and Kinematics Analysis of Non-Circular Planetary Gear Train With Cycloid Profile”. Engineering and Technology For Sustainable Development 31, no. 3 (July 15, 2021): 105–112. Accessed March 1, 2026. https://jst.vn/index.php/etsd/article/view/242.