Hưởng N, Tuan T. RESULTS OF RESEARCH ON BUTT JOINTS OF Q345B STEEL USING AUTOMATIC SUBMERGED ARC WELDING. VJASVN. 2024;19(2):273-287. Accessed November 10, 2024. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/792