TY - JOUR TI - Optimization of precision machine part manufacturing by integration of grey-taguchi method with principal component analysis AU - EROL, K. AU - KAPAN ULUSOY, S. AU - ŞENYIĞIT, E. JO - Sigma Journal of Engineering and Natural Sciences PY - 2026 VL - 44 SP - 292 EP - 308 DO - 10.14744/sigma.2025.00101 ER -