Pallavi Senapati N, Tripathy S. Application of a Hybrid Approach Using PCA based TOPSIS Method for Multi Objective Optimization of EDM Process Parameters During Machining of H11 Die Steel Using P/M Processed Metal Matrix Composite. IJET [Internet]. 2018 Dec. 13 [cited 2025 Aug. 16];7(4.39):901-6. Available from: https://mail.sciencepubco.com/index.php/IJET/article/view/27726