Malik, Irawan, et al. “PENGARUH SPINDLE SPEED, FEED RATE, DAN DEPTH OF CUT TERHADAP AKURASI HASIL PERMESINAN PADA MESIN CNC ROUTER 3 SUMBU”. AUSTENIT, vol. 11, no. 2, Feb. 2020, pp. 33-40, https://jurnal.polsri.ac.id/index.php/austenit/article/view/1864.