Van-The Than, Tran Ngoc Thanh, and Thi-Thao Ngo. “EFFECT OF GROOVE TYPES ON LONGITUDINAL SHRINKAGE IN BUTT JOINT FOR GMAW PROCESS”. UTEHY Journal of Applied Science and Technology, Vol. 31, Mar. 2022, pp. 35-41, http://jst.utehy.edu.vn/index.php/jst/article/view/474.