Azwinur, A. “THE EFFECT OF SOLUTION HEAT TREATMENT HOLDING TIME VARIATIONS ON THE MECHANICAL PROPERTIES OF ALUMINUM A-6061 BY THE TIG WELDING PROCESS”. SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin, vol. 15, no. 1, June 2021, pp. 36-42, doi:10.24853/sintek.15.1.36-42.