Suparmaniam, M. V., & Yusoff, A. R. (2019). Suppression of Chatter in High Speed Milling Machine Using Spindle Speed Variation Method with Acoustic Feedback PID Controller. Mekatronika: Journal of Intelligent Manufacturing and Mechatronics, 1(1), 21–26. Retrieved from https://journal.ump.edu.my/mekatronika/article/view/156