GHAZI, S. K.; ABDULRAZAQ, M. M.; SULTAN, A. S.; MUHI, F. S. Study the Effects of Machining Parameters on Surface Roughness for Free Form Surface Using Taguchi Method. Al-Khwarizmi Engineering Journal, [S. l.], v. 15, n. 3, p. 84–91, 2019. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/655. Acesso em: 18 aug. 2022.