Ruslan, M. S. M., Rahman, H. A., Ghani, J. A., Haron, C. H. C., Kassim, M. S., & Othman, K. (2018). Determination of Optimum Machining Condition for Surface Roughness Using Historical Data. International Journal of Engineering and Technology, 7(4.30), 73-75. https://doi.org/10.14419/ijet.v7i4.30.22013