Chau, Minh Quang, Le Hung Duong, Minh Nhat Nguyen, Xuan Phuong Nguyen, and Thi Minh Hao Dong. 2020. “[RETRACTED] An Investigation of the Optimization of Technological Parameters When Machining Straight Toothed Bevel Gears on 3-Axis CNC Milling Machine”. International Journal on Advanced Science, Engineering and Information Technology 10 (6):2297-2304. https://doi.org/10.18517/ijaseit.10.6.13055.