Umamaheswarrao, P., D. Ranga Raju, K. Naga Sai Suman, and B. Ravi Sankar. “Optimizing Cutting Parameters in Hard Turning of AISI 52100 Steel Using TOPSIS Approach”. Journal of Mechanical and Energy Engineering, Vol. 3, no. 3, Dec. 2019, pp. 227-32, doi:10.30464/jmee.2019.3.3.227.