Madsa, T. ., P. . Sunasuan, and O. . Jaemsang. “Relative Study of Gas Metal Arc Welding Parameter and Hard-Faced Weld Metal Properties on Grey Cast Iron Surface”. Journal of Engineering, RMUTT, vol. 17, no. 1, June 2019, pp. 103-1, https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241934.