TY - JOUR TI - Taguchi based GRA-PCA hybrid optimization for the forming of AL6061 alloy in automotive applications AU - SWAPNA, D. AU - SRINIVASA RAO, C. AU - SAMEER KUMAR, D. AU - RADHIKA, S. JO - Sigma Journal of Engineering and Natural Sciences PY - 2022 VL - 40 SP - 742 EP - 754 DO - 10.14744/sigma.2022.00090 ER -