Mr. Sanjay Singh2, M. A. S. (2015) “Development of surface roughness prediction model using 2 level full factorial design and to analyze during turning of AISI 1019 steel”, International Journal of Engineering Technology and Computer Research, 3(3). Available at: https://ijetcr.org/index.php/ijetcr/article/view/205 (Accessed: 4October2026).