Sunar Baskoro, Ario, et al. “Study of Cross-Combination and Square-Combination Configuration Magnetic Field on Tungsten Inert Gas Welding”. International Journal of Automotive and Mechanical Engineering, vol. 18, no. 2, June 2021, pp. 8677 – 8686, doi:10.15282/ijame.18.2.2021.05.0661.