“The Analysis Correlation of Tool Wear with Signal Frequency Domain During ST 60 Milling Process Using the Pearson Correlation Coefficient Method”, iJTvET, vol. 5, no. 2, pp. 56–70, Oct. 2024, Accessed: Apr. 02, 2025. [Online]. Available: https://journal.pktm.com.my/index.php/ijtvet/article/view/184