Syukran, S., A. Azwinur, and F. Ferdiyansyah. “The Effect of Holding Time on Stress Relief Annealing Process to Hardness of Carbon Steel SA.106 Grade B After Welding”. SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin, vol. 14, no. 1, June 2020, pp. 46-51, doi:10.24853/sintek.14.1.46-51.