HERLAMBANG, Bambang. Evaluation of Surface Roughness of ST-60 Steel Material After Turning Process With Variation of Rotation. Piston: Journal of Technical Engineering, [S. l.], v. 8, n. 2, p. 90–99, 2025. DOI: 10.32493/pjte.v8i2.48933. Disponível em: https://openjournal.unpam.ac.id/index.php/Piston/article/view/48933. Acesso em: 12 jan. 2026.