NGUYEN VU LUC; PHAN VAN TUAN. ASSESSING THE INFLUENCE OF WELDING CURRENT ON WELD QUALITY IN MANUAL ARC WELDING MACHINES THROUGH ULTRASONIC TESTING. TRA VINH UNIVERSITY JOURNAL OF SCIENCE, [S. l.], v. 14, n. 8, 2024. DOI: 10.35382/tvujs.14.8.2024.73. Disponível em: https://journal.tvu.edu.vn/index.php/journal/article/view/73. Acesso em: 19 apr. 2025.