M.Jawahar, Ch.Sridhar Reddy, Ch.Srinivas. (2021). Multi-Quality Characteristics Optimization of NPMEDM of Nimonic 90 by Using Data Envelopment Analysis based Ranking Technique. Design Engineering, 14541 - 14552. Retrieved from http://thedesignengineering.com/index.php/DE/article/view/6582