Napid, Suhardi, et al. “Study on Alloy Steel TEW 6582 Machined Surface Rougness Under Dry Machining”.
International Journal of Engineering and Technology
, vol. 7, no. 2.13, Apr. 2018, pp. 398-01,
https://doi.org/10.14419/ijet.v7i2.13.16929
.