%0 Journal Article %T Optimization of precision machine part manufacturing by integration of grey-taguchi method with principal component analysis %A EROL, K. %A KAPAN ULUSOY, S. %A ŞENYIĞIT, E. %J Sigma Journal of Engineering and Natural Sciences %D 2026 %V 44 %P 292-308 %R 10.14744/sigma.2025.00101