M. Razman, A.K.M.N. Amin, M.A. Rizal, and. “Influence of Chatter of VMC Arising During End Milling Operation and Cutting Conditions on Quality of Machined Surface”. IIUM Engineering Journal, vol. 2, no. 1, Aug. 2012, doi:10.31436/iiumej.v2i1.339.