Van Thoai Le, Minh Tan Nguyen, and Van Nhat Nguyen. “EFFECT OF ADDITIONAL METAL POWDER RATIO AND WELDING PARAMETERS ON MECHANICAL PROPERTIES IN SUBMERGED ARC WELDING WITH ADDITIONAL METAL POWDER”. UTEHY Journal of Applied Science and Technology, no. 29, June 2021, pp. 37-42, http://tapchi.utehy.edu.vn/index.php/jst/article/view/429.