Hutapea, G., N. Nurbaiti, Y. Witanto, and H. V. Hoten. “The Effect of Main Spindle Speed of Z3050 X 16 (II) Radial Surving Machine on HSS TOOL Wear on The ASTM A36 Steel Process”. Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin, vol. 5, no. 2, Feb. 2022, pp. 28-34, doi:10.33369/rekayasamekanika.v5i2.20171.