Akhmadi, A. N., M. K. . Usman, and F. L. . Sanjaya. “A Effect of Rotation Speed and Feed on the Surface of ST 41 Steel on a Lathe Machine”. IRA Jurnal Teknik Mesin Dan Aplikasinya (IRAJTMA), vol. 3, no. 3, Dec. 2024, pp. 31-41, doi:10.56862/irajtma.v3i3.157.