TAPUBOLON, Bornon; IRWAN, Hery. Analysis Of Pipe Welding Quality Control Using The Seven Tools Method In The Manufacturing Industry . International Journal of Science and Environment (IJSE), [S. l.], v. 6, n. 3, p. 23–34, 2026. DOI: 10.51601/ijse.v6i3.775. Disponível em: https://ijsenet.com/index.php/IJSE/article/view/775. Acesso em: 7 aug. 2026.