Fatihuddin, Muhammad, et al. “Effect of Oil Viscosity As a Quenching Medium on Hardness and Corrosion Rate of Mild Steel After Hardfacing”. Jurnal ASIIMETRIK Jurnal Ilmiah Rekayasa & Inovasi, vol. 8, no. 1, Jan. 2026, pp. 209-20, https://doi.org/10.35814/asiimetrik.v8i1.9464.