Buntu Lobo, O. ., T. . Keledar, S. . Keliolan, and I. . Difinubun. “Variation of Spindle Rotation of 1000A Lathe Machine That Affects Tensile Test Results and Welding Time in Friction Welding”. IRA Jurnal Teknik Mesin Dan Aplikasinya (IRAJTMA), vol. 3, no. 2, Aug. 2024, pp. 62-68, doi:10.56862/irajtma.v3i2.108.